HoopsKing Guide or Off Hand Shooting Device Wrap Strap Basketball Shooting Aid Stop Thumbing the Basketball IMPROVES SHOT - Stops Off-Hand wrist from rotating and interfering in shot. TRUE ONE-HANDED RELEASE - better rotation on the shot will result in more shots bouncing in instead of flying out. ONE SIZE FITS ALL - made of comfortable neoprene material one size fits all from youth to the pros. LEARN LAYUPS EASIER - Wear on dominant hand to learn how to shoot weak handed layups without using dominant hand to push ball up. Stop your Off-Hand wrist &amp; thumb from rotating and being involved in your shot which means youll have a true OneHanded Release like the Pros. Perfect Rotation on the Basketball which means your child will develop the Shooters Touch so when balls dont go straight. in the hoop they have a better chance of bouncing in. Comfortable to wear. Made of Neoprene. Only one force on the basketball which means better control of the ball on the shot = more made shots.