RELIEF YOUR STRESS AND ANXIETY - Two iron rings joined together to provide smooth, fluid motion. Keeping your hands busy, increasing finger movement, promoting hand blood circulation, refuse fidgeting and slow down anxiety, bringing people a calm mood. Suitable for the people who suffer from ADD, ADHD, Anxiety, Autism, etc. BIKE CHAIN FIDGET TOYS - The bike chain fidget toys has helped people to quit smoking, lower stress levels, succeed in school, stop biting nails & picking at scabs, relieve social tension at parties or gatherings... even improve relationships. BULLETPROOF DESIGN - The stainless steel split rings and chain links will never corrode or break, and the silicone O-rings provide additional texture and grip and will never fade in color. SMALL and PORTABLE - Perfect for hours and hours of non-distracting and silent fidgeting. The bike chain doesn't dIstract or draw attentionn and Is perfect for using In classrooms, offices, meetings, airplanes etc.