FDT - Dog Bite Protection Sleeve with Tri-Level Bite Bar Regulation6 Way Adjustable Dog Bite Protection Sleeve Made of Special NK Material With Easy Removable NK Insert It properly follows the shape of your hand: regulate the distance from your elbow to the wrist, and the degree of wrist twist. It is tight enough not to shift around while training bite grip. Get the freedom of motion the training requires. Bring your moves to perfection since nothing will distract you. NK is a specially developed material. It