Golf Smart Academy Golf Smart Academy

Improve Shaft Lean with the Swing Extender Release Drill

Prefer the video version? Check it out →

Improve Shaft Lean with the Swing Extender Release Drill
By Tyler Ferrell · October 17, 2021 · Updated April 16, 2024 · 4:58 video

What You'll Learn

The Swing Extender Release Drill is a simple way to train one of the most important impact pieces in iron play: shaft lean. If you tend to scoop, flip, or add too much hand action through the strike, this drill gives you instant feedback. By attaching or holding an alignment stick along the grip so it extends out past your lead side, you create a built-in checkpoint. If your release pattern is too handsy, the stick runs into your body. If your body keeps moving, your wrists and forearms organize correctly, and you deliver the club with forward shaft lean, the stick stays clear. It is a very direct way to train a more tour-style release instead of an amateur-style throw.

How the Drill Works

To do the drill, place an alignment stick along the underside of the grip so it extends a couple of feet past the butt end of the club. If you have a training club at home, you can tape the stick on so it stays fixed and aligned with the clubface. If you are using your normal irons, you can simply hold it in place while making swings.

The goal is straightforward: as you swing through impact, the extended stick should not hit your side too early. That feedback tells you whether you are maintaining shaft lean and releasing the club with the body, wrists, and forearms working together instead of throwing the clubhead with your hands.

There is one awkward part at setup. Because the stick extends toward your body, you cannot stand in your completely normal address position. You will usually need to set your hands a little more forward than normal just to keep the stick from pressing into you at address. That is fine. The setup is not the point of the drill. The point is the feedback you get through the strike and into the follow-through.

This drill works best with shorter swings, especially 9-to-3 swings or what many players call an L-to-I motion. In other words, you make a controlled backswing and a shorter follow-through. If you swing all the way to a full finish, the stick will eventually run into your body simply because of its length. So this is not a full-swing speed drill. It is a release drill designed to teach you how the club should travel through impact.

When you do it correctly, the stick stays off your body through impact and into the early follow-through. That means you are not dumping the clubhead, not adding loft, and not relying on your arms to save the strike. Instead, your body is swinging the arms, your chest continues rotating, and the club exits with the handle leading.

Step-by-Step

  1. Set up the club with the extender. Place an alignment stick along the grip so it extends out past the butt end by roughly two feet. Keep it aligned with the clubface. If possible, secure it with tape. If not, hold it steady while you rehearse.

  2. Use a short iron and make a modified setup. Start with a wedge or short iron. Address the ball with your hands slightly more forward than usual so the stick is not pressing into your body at address.

  3. Begin with 9-to-3 swings. Make waist-high to waist-high swings first. This is the ideal range for the drill because it lets you feel the release without the stick forcing you into a strange full finish.

  4. Focus on the strike, not the backswing. The real training value is from impact into the follow-through. Your job is to move through the ball with the handle leading enough that the stick stays clear of your side.

  5. Let your body keep turning. Rotate your chest through the shot so your arms are being carried by the pivot. If you stop rotating and throw the clubhead with your hands, the stick will usually hit you near impact.

  6. Monitor when the stick makes contact. If the stick is going to touch you, it should happen well after impact, not at the bottom of the swing. Early contact means you are losing shaft lean too soon.

  7. Finish in a braced, extended position. In the follow-through, keep your chest up and your spine extended. You want a balanced, supported finish—not a rounded, hunched-over position created just to keep the stick away from your body.

  8. Gradually add speed. Once you can make clean 9-to-3 swings without the stick hitting you, increase the pace. The challenge is to create more speed from your body motion, not from a late arm throw.

  9. Build toward functional distance. A great benchmark is being able to hit the ball around 100 to 120 yards with this drill setup while still keeping the stick off your body through the release.

What You Should Feel

This drill is valuable because it turns a vague concept like “don’t flip” into a very clear set of sensations. Here is what you should be looking for.

The handle keeps moving forward

You should feel that the grip end of the club continues traveling through the strike instead of stalling while the clubhead passes your hands too early. That is one of the main ingredients of shaft lean.

Your body is driving the motion

The swing should feel as though your torso rotation is carrying the arms through the ball. If the shot only works when you actively throw your hands, you are missing the point of the drill.

The stick stays away from your side through impact

This is the main checkpoint. If the extender stays clear through the strike and only gets close much later, you are organizing the release correctly. If it collides with you near impact, you are likely flipping or pulling the handle in with your arms.

Your chest stays up in the follow-through

You should feel spine extension and a braced finish. Your chest should not collapse down toward the ground. A good release is not just about the hands; it depends on a solid pivot and posture through the ball.

The wrists and forearms are releasing, but not dumping

This is an important distinction. You are not trying to hold the clubface open or drag the handle forever. The club still releases. But it releases in a way that matches the body rotation, rather than overtaking the hands too early with a scooping action.

Contact feels compressed

With irons, a good version of this drill often produces a more compressed strike. The ball comes off with a flatter, stronger flight because you are delivering less added loft and a more forward low point.

Common Mistakes to Avoid

How This Fits Your Swing

The Swing Extender Release Drill is not just a trick to make you look better at impact. It connects to several bigger pieces of the golf swing.

First, it teaches the relationship between release and pivot. Many golfers think shaft lean is something they create only with the hands. In reality, good shaft lean is heavily influenced by how your body moves through the strike. If your torso keeps rotating, your chest stays up, and your arms are carried by the pivot, the club is much more likely to arrive with the proper alignments.

Second, it helps clean up scoop and flip patterns. A flip usually shows up when the clubhead overtakes the hands too early, often because the player is trying to help the ball into the air or rescue poor sequencing. The extender gives you immediate proof that this pattern is happening. That makes it easier to replace with a release that is more stable, more compressed, and more predictable.

Third, this drill can help with certain direction problems, especially the kind of pull that comes from a handsy strike. When your arms and hands dominate the release, the clubface and path can become overly reactive. By training the body to keep moving and the handle to keep leading, you often improve face control and strike consistency at the same time.

For iron play, that matters a great deal. Good iron shots are built on predictable low point, proper shaft lean, and centered contact. This drill supports all three. It encourages you to move the bottom of the swing farther forward, reduce excessive added loft, and strike the ball with more compression.

It also gives you a practical bridge between slow rehearsals and real shots. You can start with simple waist-high practice swings, then hit short shots, then gradually build up to more speed. That progression helps you own the feel instead of just understanding it intellectually.

In the bigger picture, this drill teaches you that the club should not be thrown past your body at impact. Instead, your body motion, posture, and release should work together so the club exits in a controlled, powerful way. If you can hit short to medium iron shots with the extender staying clear of your side, you are very likely building the kind of release that produces solid contact and reliable shaft lean on the course.

See This Drill in Action

Watch the full video lesson with demonstrations and visual guides.

Watch the Video Lesson