Rick Roller (Wrist Wrench)Never gonna let you down. Builds your wrist strength like nothing else. Grip Genie's version of the wrist wrench is a wild contraption built to test your wrist strength and to pump your forearms like no other grip tool will. Cold hard steel carabiner connections (two offset holes and one center) Nylon Straps Grippy foam hand placement Images used with permission from Grip Genie and may not be reproduced.