Use a tennis ball or power ball, stand in front of a foot pad. Drop the ball onto the mat with your left hand, it should land in time with the beat and catch it again in that hand, repeat.
Interactive Metronome H3 Bounce Ball Left Hand
You may also be interested in....
K5b Left Hand Pronation / Supination As K5a but swap hands Place the hand trigger on the top of your …Learn More
Clap hands together in front of you, the following beat clap behind your back, repeat and try and do in …Learn More