A self-corrective wrist positioning practice device including a planar elongated member having a two curved terminating ends with a pair of slots defined proximate each terminating end. Two adjustably securable straps are received within the pair of slots at the respective terminating ends. When oriented on the back of the wearer's arm the device permits while simultaneously mechanically signaling improper backward wrist bending without using electronic components. The device is also repositionable from the back to the side of the arm so as to signal improper bending of the wrist sideways.