PRIMERO JawGryp most popular Approved for use by the

Approved for use by the California State Athletic Commission (CSAC) Official weights

One size fits most

effective cooling and swelling reduction in boxing

Cutman Sleeve patent-pending design

hand wrap sales are final

PRIMERO JawGryp most popular Approved for use by thePRIMERO JawGryp Kit JawGryp is a powerful training tool inspired by old school strongmen and elite fightersengineered to build functional jaw and neck strength through biomechanically balanced resistance. Its elongated vertical cylinder design aligns with the head and neck to help promote balanced load distribution and minimize unnecessary lateral loading, creating a more stable and effective training experience. Built around sound biomechanical