The key technique involves changing your grip to a backhand-like position to facilitate wrist pronation and generate topspin for the "kick" effect.
This is quite useful if you are working on mastering the Rulo shot. The coach emphasizes the importance of changing your grip, which is a key detail for generating spin and power on this specific overhead. Understanding how to pronate your wrist properly will make a big difference. Practice the motion slowly first, just like the coach suggests.
