Putter aim is the first fundamental of stroke mechanics. Aim occurs first, and affects everything that follows. Attach>Dave Pelz's Putter Aim Teacher Pointer to your putter face and instantly "see" where you are aiming. Additionally, it will show your putter face rotation throughout your stroke. Start by using your pointer on two- to three-foot putts, then move to five- and six- and even ten-foot putts! Learn proper aim to minimize, or elevate your putter face rotation and good strokes with follow. WARNING: Device attaches to putter with 2-way tape. Not intended for use on non-metal or painted putter faces as it could cause cosmetic damage to the face.