Will your ball fall out??
Many players dont have a backspin because the ball is easy to fall off.
Instable control means that your release points are not stable and inevitably increasing the risk of injury.
Release to the coach! You wont understand it even if you say it.
You dont know if the ball is too low or too much...
Whether the rotation axis is is a backspin that rotates vertically, or a spin.
A 2-way training ball that lets you see it
■Material: Urethane
■Weight: Approx. 1.1 oz (30 g) per piece
■Country of Origin: China