Meet the FINIS Forearm Fulcrum: a wearable device designed to improve your swimming technique. It connects your forearm and hand and does not allow your wrist to bend. The device helps you develop correct stroke muscle memory and reduce unnecessary shoulder stress.
Forearm Fulcrum Paddles promote Early Vertical Forearm for all four strokes. They help you become a more efficient swimmer by improving your technique. More information is available here.