Golf Tutorials

How to Improve a Slice in Golf

By Spencer Lanoue
July 24, 2025

That banana-shaped shot that starts left and sails helplessly into the trees on the right is the single most common frustration on the golf course. It steals distance, destroys scores, and makes the game feel incredibly difficult. The good news is that a slice isn't a life sentence. It’s caused by a few specific and fixable physical movements in your swing. This guide will walk you through, step-by-step, the real causes of your slice and give you the actionable drills you need to finally straighten out your ball flight.

Understanding the Slice: Why Your Ball Veers Off Course

Before we can fix anything, we need to understand exactly what’s happening at impact to cause a slice. Think of it less as a big, complicated swing fault and more as a simple physics problem. In golf, the clubface is like the rudder of a boat, it has the biggest say on where the ball starts and curves. Your swing path - the direction your club is traveling through impact - tells the ball which way to spin.

A slice is the result of a specific combination:

  • An open clubface: At the moment of impact, your clubface is pointing to the right of your target (for a right-handed golfer). This is the biggest culprit and what starts the ball out to the right or makes it curve aggressively.
  • An "out-to-in" swing path: Your clubhead is traveling from outside the target line to inside the target line as it strikes the ball. When this path combines with an open face, it puts a massive amount of "cut" spin on the ball, causing it to slice.

Our entire mission is to neutralize these two factors. We’ll teach the club how to swing more from the inside and how to return to the ball squarely. Let’s get to work.

Step 1: Get Your Grip Right – The Steering Wheel of Your Shot

Your hands are your only connection to the club, making them the "steering wheel" for the clubface. An improper grip is often the primary reason golfers can't stop the face from being wide open at impact. The most common slice-inducing grip is a “weak” grip, where the hands are rotated too far to the left on the club.

How to Check and Correct Your Grip

Let's build a stronger, more neutral grip that encourages the clubface to close naturally through the ball.

  1. Start with the Clubface: Place the clubhead on the ground behind an imaginary ball. Make sure the leading edge is perfectly square (perpendicular) to your target line. If you have a logo on your grip, ensure it's pointing straight up.
  2. Set Your Lead Hand (Left Hand for RH golfers): Approach the club from the side. You want to hold the club primarily in the fingers, from the base of your little finger to the middle joint of your index finger. Once your fingers are on, wrap the fleshy part of your palm on top of the grip.
  3. The Knuckle Checkpoint: Look down at your left hand. You should comfortably see at least two, and maybe even three, knuckles on your left hand. If you can only see one knuckle, your grip is too weak and you need to rotate your hand more to the right.
  4. The 'V' Checkpoint: The 'V' shape created by your left thumb and index finger should point somewhere between your right ear and your right shoulder. If it's pointing at your chin, the grip is too weak.
  5. Add Your Trail Hand (Right Hand for RH golfers): Your right hand should mirror the left. As your right hand meets the club, the palm should face the target. A great feel is to place the lifeline of your right palm directly over your left thumb. The 'V' formed by your right thumb and forefinger should also point towards your right shoulder.

This will feel strange at first - perhaps even a bit uncomfortable. Stick with it. This new "stronger" position makes it infinitely easier for your hands to rotate and deliver a square clubface at impact without you even having to think about it.

Step 2: Correcting Your Setup for a Straighter Path

Your starting position pre-programs the kind of swing you're going to make. Slicers often set up in a way that makes an out-to-in swing path almost unavoidable. The most common fault is aiming the body - feet, hips, and shoulders - way left of the target.

You might think this helps to account for the slice, but it actually makes it worse. Aligning left encourages you to swing even more to the left, steepening your angle of an attack and exaggerating that out-to-in path.

How to Build a Slice-Proof Stance

  • Use Alignment Aids: Lay two golf clubs or alignment sticks on the ground. Place one down aimed directly at your target. Place the second one parallel to the first, just inside the ball, to represent your feet line. This provides instant visual feedback.
  • Set the Club First: Always start your routine by placing the clubface behind the ball, aiming it squarely at your target.
  • Build Your Stance Around the Club: Once the club is set, build your stance around it. Your feet, hips, and shoulders should be parallel to your target line (and parallel to your alignment sticks). Slicers are often amazed to see how "closed" or "to the right" this feels at first.
  • Check Your Shoulders: The last check before you swing is your shoulder alignment. It’s very common for right-handed players to have their lead (left) shoulder pointing out to the left. Try to feel like your shoulders are square or even slightly closed (aimed a little right of the target) to promote an in-to-out swing path.

Step 3: Fixing the Root Cause – The "Over the Top" Move

Here it is. The move that causes about 90% of slices. The "over the top" move is when you start your downswing not with your lower body, but with an aggressive throw of your hands and shoulders from the top. This pushes the club *outside* the correct swing plane, forcing you to swing across the ball from out-to-in. It happens fast, and it’s a pure power-killer.

The fix involves changing your entire downswing sequence. Instead of starting with the hands and shoulders, we need to feel the downswing starting from the ground up.

The Simple Drill to Get 'In the Slot'

This "pump drill" is designed to re-train your downswing sequence and help you feel the sensation of the club dropping into the correct inside path, or "the slot."

  1. Take your normal setup.
  2. Make a full backswing, and pause for a second at the very top.
  3. From the top, initiate a small "pump" down by feeling your lead hip (left hip) bump towards the target slightly. Feel your hands and arms simply drop down toward your back hip. Don't throw them out towards the ball. Feel them fall in response to your hip shift. That's pump number one.
  4. Return to the top of your backswing.
  5. Repeat the pump. Lead hip moves, arms drop. The club should feel like it's falling behind you. That's pump number two.
  6. Return to the top, and this time, perform the same move but swing all the way through to a full finish. Feel that same initial move of the hip bump and the arms dropping before you turn and release through impact.

This drill grooves the feeling of a proper transition. It promotes a shallow, powerful, in-to-out swing path that completely eliminates the over-the-top move.

Step 4: Releasing the Club Instead of Holding It Off

The final piece of the puzzle is the release. Slicers are so afraid of the ball going left (a hook) that they subconsciously prevent the clubface from closing. They hold the face open through impact, often resulting in a "chicken wing" finish where the left arm bends awkwardly.

A powerful, straight shot requires you to *release* the club. This means allowing your right hand and forearm to rotate over your left hand and forearm through the impact area. It’s not something you want to consciously flip with your hands, it should be the natural result of a good body rotation and a passive arm swing.

How to Learn a Full Release

Imagine you're skipping a stone across a pond. You wouldn't finish with your palm facing the sky. Your arm and hand would naturally rotate and turn over after you've released the stone. The golf release is a similar feeling.

A great indicator of a full release is your finish position. After your swing:

  • Your body weight should be almost entirely on your lead foot (left foot).
  • Your chest and hips should be facing your target.
  • The club should have finished effortlessly, resting comfortably somewhere behind your neck or over your lead shoulder.

Holding this balanced finished position tells you that you’ve committed to the shot and allowed the club to release its energy through the ball, not at it.

Final Thoughts

Fixing a slice comes down to fixing the fundamentals: strengthening your grip, squaring your alignment, and most importantly, re-sequencing your downswing to eradicate that "over the top" move. It takes patience and dedicated practice with drills, but by understanding the causes and cures, you now have a clear roadmap to hitting straighter, more powerful shots.

As you work on these changes, sometimes you need a second opinion right on the course. With Caddie AI, you get an on-demand golf coach in your pocket. If you find yourself in the trees after a bad slice, you can take a picture of your lie and we can instantly give you the smartest strategy to get back in play, helping turn a potential blow-up hole into a manageable bogey. You can also ask us for a quick swing thought or a mental reset to help you commit to a better movement on the very next tee shot, giving you the confidence to trust your new swing.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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