Treatment Modalities - SMART Tools, STM5 Captain Hook : The "Captain Hook" is the smallest tool made by SMART Tools, but it is also the most versatile. It is designed with the patient in mind by providing them with instant muscle relief, improved flexibility and faster recovery. It is ideal for use on the hands, forearms, and on some occasions, the gastrocnemius. It features a single beveled edge on one inlet and a double beveled edge on the other inlet, creating the most adaptable tool in the lineup. It is made of a durable and premium medical-grade stainless steel. The reduced friction allows for support of sensitive skin. Making this an effective treatment tool for soft tissue and scarring brought on by surgeries, injuries, and overuse of muscles.