JerkFit Nubs, thumb sleeves for the hook grip *FREE shipping in US* Cross-Training Thumb Sleeves Takes your Hook Grip to the next level No More Rips No More Blisters No More Tape! Cross-Training Thumb Sleeves For the Hook Grip Quit fussing around with expensive tape that leaves a sticky goo all over your hands and equipment. Stays on the entire workout! If it does happen to slide, unlike tape, you can slide them right back! Locks your grip in with a comfortable slightly padded feel Forget about blisters and rips that kills your momentum! Small: 0-20mm Medium: 20-25mm Large: 25+ mm