The paddle that can be used in two different ways.
 
 
The ideal tool for improving your swimming technique.
 
 
Wearing the flap on the outside (grey paddle on the left hand and yellow paddle on the right hand) allows the swimmer to focus on the triceps and back muscles.
 
 
Wearing the flap on the inside (yellow paddle on the left hand and grey paddle on the right hand) allows the swimmer to focus on the biceps and chest muscles.