The armpit connection drill is one of those classic pieces of golf instruction that has stayed useful because it solves a very common problem: your arms and shoulders start trying to power the swing on their own. When that happens, you tend to cast, early extend, or lunge with the upper body instead of letting the club be moved by your pivot. This drill teaches you to keep your arms better connected to your torso so your ribcage and trunk become the engine of the swing. If you tend to throw the club from the top, stand up through impact, or drive the motion with your shoulders, this is a simple drill that can quickly improve contact and control.
How the Drill Works
The basic idea is simple: place a tee under each armpit and make swings while keeping light pressure on them. You can also use a towel or glove, but tees give you immediate feedback without forcing you to clamp your arms tightly against your body.
That feedback matters. If you overuse your shoulders, separate your arms from your torso, or extend your chest away from the ball, the tees tend to fall out. In other words, the drill exposes the exact move that often creates inconsistency in the downswing.
What you are really training is connection without tension. You are not trying to pin your elbows to your sides or squeeze as hard as possible. You are simply maintaining enough relationship between your upper arms and your torso that the body can move the club more efficiently.
This is why the drill is so useful for players with:
- Cast patterns, where the club is thrown early from the top
- Early extension, where the hips and chest move toward the ball and the posture is lost
- Forward lunge tendencies, where the upper body drives out in front of the lower body
- Shoulder-blade dominant motion, where the shoulders and arms try to create speed independently
When you do the drill correctly, you begin to feel that the trunk is transporting the arms, not the other way around. The arms become more like connectors or transmitters of force rather than the primary source of speed.
Start with short 9-to-3 swings—roughly waist-high back and waist-high through. This keeps the motion manageable and helps you learn the sensation of staying connected without forcing it. From there, you can gradually build to longer swings and eventually full swings.
On fuller backswings, it is common for the right armpit tee to loosen or fall out as the trail arm folds. That is not automatically a problem. What matters more is that you avoid a complete disconnection where the arms float away from the torso and then try to take over in transition. If one side is going to stay more reliably connected, the left armpit is usually the more important checkpoint for many golfers.
Step-by-Step
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Place a tee under each armpit. Set them high enough in the armpit that they give feedback, but do not jam your arms into your sides. The pressure should be light.
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Take your normal setup. Use a short iron or wedge first. Stand in your usual posture and grip the club normally. Avoid changing your address just to hold the tees in place.
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Feel soft connection, not squeezing. A good image is that you are gently holding something delicate in each armpit. You want enough pressure to keep the tees from dropping immediately, but not so much that your shoulders and arms become rigid.
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Make 9-to-3 swings. Swing back until the club is roughly parallel to the ground, then through to the same position on the other side. Let your chest and ribcage turn the club back and through.
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Focus on the torso moving the arms. In the backswing, feel the trunk carrying the arms. In the downswing, feel the body continue rotating so the arms do not need to throw the clubhead at the ball.
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Hit short shots first. Start with small wedge shots and pay attention to strike quality. Many players notice more consistent turf contact almost immediately.
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Gradually lengthen the swing. Once the short motion feels comfortable, move to three-quarter swings. Let the trail arm fold naturally, but do not let the arms completely separate from your torso at the top.
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Build toward full swings. You can use this drill with irons, wedges, and even driver. On full swings, the tees may come out in the follow-through, and that is fine. The key is what happens during the backswing and transition.
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Prioritize the lead-side connection. If the trail-side tee occasionally falls on a fuller backswing, that can be acceptable. But if the lead-side tee drops early and the lead arm disconnects, you are more likely to lose structure and throw the club.
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Check your ball flight and video. Make sure the drill is creating better structure and contact, not a forced, cramped motion. You should still be able to deliver the club from the inside and produce solid, repeating shots.
What You Should Feel
The best version of this drill creates a very specific set of sensations. If you are doing it well, you should notice the following:
- Your ribcage is the engine. The swing feels more powered by your torso turning than by your shoulders yanking the club down.
- Your arms feel quieter. They are still active, but they are not trying to manufacture speed from the top.
- The club stays with your body longer. Instead of being thrown outward early, it feels as though it is being transported into the hitting area.
- Your chest keeps moving through the shot. This often helps prevent the stall-and-flip pattern that shows up with casting and early extension.
- Contact becomes more predictable. Many golfers notice cleaner turf interaction because the bottom of the swing stabilizes when the body is controlling the motion.
A useful checkpoint is this: your arms should feel more like ropes attached to a turning body than like independent hitters. That does not mean limp or passive. It means they are responding to the motion of your pivot instead of overpowering it.
You may also feel as if your upper body is turning more aggressively through the ball than you are used to. For many golfers, that sensation is normal and even necessary. If you have spent a long time swinging with disconnected arms and dominant shoulders, a connected motion can initially feel abbreviated or “cut off.” In reality, the swing is often becoming more organized, not more restricted.
This is where video and ball flight help. The feel of turning through the shot does not automatically mean the club path is moving too far left. Many players can stay connected, keep the body moving, and still deliver the club nicely from the inside.
Common Mistakes to Avoid
- Squeezing too hard under the arms. If you clamp down aggressively, you create tension and lose natural arm motion. The drill should teach connection, not stiffness.
- Starting with full-speed swings. If you jump straight into full swings, you will usually revert to your old pattern. Begin with short 9-to-3 motions.
- Trying to keep both tees in forever. On longer swings, especially at the top, the trail-side tee may not stay perfectly in place. Do not force an unnatural backswing just to hold it.
- Letting the lead arm disconnect. If the lead side loses connection early, the arms can float away from the body and create a cast or steep transition.
- Confusing connection with being stuck. Staying connected does not mean trapping your arms behind you. The body still has to keep turning so the club can move through properly.
- Assuming body rotation sends the path left. Many golfers fear that turning through the shot will create pulls or slices. Often the opposite is true when the sequence improves.
- Ignoring posture. If you stand up out of the shot while doing the drill, you defeat much of its purpose. Keep your posture and let the torso rotate, not rise away from the ball.
- Using only feel without feedback. This drill works best when paired with video or shot pattern feedback. Your feel may tell you one thing while the swing is doing another.
How This Fits Your Swing
This drill is not just about keeping something under your arms. It is about changing your power source.
If your swing is too arm-driven, you often create speed in a way that is difficult to time. The club gets thrown too early, the body reacts by standing up, and impact becomes inconsistent. That can show up as fat shots, thin shots, hooks, blocks, or a general sense that the strike quality changes from swing to swing.
The armpit connection drill helps shift you toward a motion where the body swings the arms. That is a major upgrade for players who:
- Throw the club from the top
- Lose posture in transition
- Drive the downswing with the shoulders
- Struggle to control low point and turf contact
In the bigger picture, this drill improves sequence. Instead of the arms racing ahead and forcing the body to recover, the torso keeps moving and the club arrives later, more organized, and with better structure. That tends to improve both strike and direction.
It also helps you understand an important truth about good ball-striking: the arms do not need to be the star of the show. They need to stay connected enough to the pivot that the motion is coordinated. When that happens, the club can still approach from the inside, you can still shape the ball, and you can still create speed—but now the speed is supported by the body instead of manufactured by a frantic throw of the hands and shoulders.
If you are working on a cast pattern, this drill teaches you to stop dumping the angles and start delivering the club with your pivot. If you are fighting early extension, it helps keep the upper body from lunging and encourages rotation in posture. If your swing is dominated by the shoulder blades and upper body, it gives you a much better feel for how the trunk should transport the club.
Used correctly, this is a simple drill with a big payoff: a more connected downswing, a more reliable strike, and a swing where the body—not the shoulders alone—does the heavy lifting.
Golf Smart Academy