The BON Strap allows you to reach those particular spots on the body that are tense and need targeted treatment. Apply the nails against bare skin or through light clothing, and use the ribbons to tie around to keep the strap in place. Here are a few suggested areas for treatment:Head to relieve headaches.Waist to relieve lower back pain.Arm to relieve tendonitis.Any area with cellulite.Any area to improve circulation.Thighs to relieve muscle tension from running.Abdomen to relieve upset stomach, constipation, or period aches.