About this product Product function: Utilizes the hardness of metal to provide full-body twist massage, helping to reduce muscle soreness after exercise, improve recovery time, and support soft tissue health. Designed to assist in addressing muscle tightness, soft tissue discomfort, and recovery from overuse or intense physical activity. Medical Grade Quality: Made from high-quality medical-grade stainless steel. Features precise chamfering and a mirror-polished finish for smoothness, durability, and easy cleaning. The surface reduces friction and offers reliable, hygienic performance. Body Care: Ergonomically shaped for comfortable use on multiple body areas including the back, forearms, chest, arms, thighs, and more. The side with larger curvature is ideal for broader muscle groups, while the smaller curvature is suited for targeted areas. Suitable for use by fitness professionals, therapists, and individuals at home. How to use: Apply body lotion or massage oil to the desired area. Gently scrape along the muscle direction, starting with light pressure and gradually increasing as tolerated. Repeat the motion until the skin feels warm or shows mild redness.