Key benefits Fast, targeted relief for tense muscles and trigger points — breaks up myofascial nodules and reduces stiffness. Comfortable, controlled use — non-slip, ergonomic handle lets you apply the right pressure without strain. Durable, skin-safe construction — ABS texture and 304 stainless steel parts resist wear and rust for long-lasting performance. What it does 360-degree rolling balls provide smooth, continuous massage to loosen tight muscle knots and improve local circulation. Designed to reach deep tissue and trigger points while delivering a gentle, pleasant sensation that does not scratch the skin. Built for repeated direct skin contact and reliable performance during daily recovery or maintenance routines. Materials and performance Handle: textured ABS for a secure, comfortable grip that prevents slipping during use. Rollers: high-strength 304 stainless steel for rust resistance, durability, and safe contact with skin. Rolling mechanism: full 360-degree motion to maintain consistent pressure and motion over targeted areas. Practical uses (specific scenarios) After exercise: roll calves, hamstrings, and quads to speed recovery and reduce post-workout tightness. Office relief: use on neck, shoulders and upper back to relieve stiffness from prolonged sitting and poor posture. Everyday maintenance: self-massage the arms, lower back and glutes to prevent buildup of knots and maintain mobility. Why customers choose this roller Effective: targets deep knots and trigger points rather than just surface soreness. Comfortable: ergonomic handle and smooth roller surface provide a soothing massage without irritation. Reliable: corrosion-resistant 304 stainless steel and robust ABS construction ensure long-term use. Gift-ready: a practical, well-designed tool suitable for friends or family who need muscle relief. How to use (brief) Hold the ergonomic handle and roll the balls along tense areas with light to moderate pressure. Increase pressure gradually to target deeper knots; avoid excessive force on bony areas. Use before or after workouts, or during breaks to manage everyday muscle tension.