Vktech 7.87"*5.51" Golf Wrist Corrector Tik-tok Swing Trainer Training Aids If you break your wrist at the top of the swing, or at impact,the Wrist corrector goes "tik_tok",and you know it's You could use this at home also without a club ! Fantastic results ! Continual use of the tool has helped improve your wrist action and has resulted in extra distance and accuracy Easy-to-band-type wear Size:20*14cm(Longest*Widest)