Rigid Ultra CuffsThe Rigid Ultra Cuff features a unibody frame that minimizes subject mobility. The frame is contoured to provide the officer with a proper, natural tactical grip for rapid application, as well as the ability to maintain control and compliance once the restraint is applied. ASP's exclusive Ultra Cuffs represent the most significant advances in restraint design in more than a century. These handcuffs were designed, tested, revised, re tested and