Place your hand in a rice bucket. Round 1: Twist your wrist while squeezing with your hand deep in the rice. Continue for the indicated time. Round 2: Flap your hand up and down with your fingers open wide. Continue for the indicated time. Round 3: Open your hand straight like a karate chop. Move your wrist side to side without flapping up and down like the previous exercise. Continue for indicated time Round 4: Start with your hand closed, then push your fingers open. Repeat for indicated time.