The TriggerPoint CARBON Foam Roller helps to release the toughest deepest knots reduce muscle soreness and prevent injury through deep-tissue self-massage. Unlike traditional foam rollers the CARBON goes deeper into tissue to treat tight and sore muscles that hinder mobility. Extra firm and high-profiled nodules go deep into tissue to alleviate tightness and soreness. For maximum results use the CARBON Roller before and after physical activity. Place the CARBON under the muscle then slowly roll back-and-forth. Deepen the massage action with a side-to-side rocking motion to span the muscle. The CARBON is extremely firm and is recommended for experienced foam roller users with very dense muscle tissue that doesn't respond to traditional foam roller pressure. TriggerPoint empowers people of all lifestyles to move and feel better. TriggerPoint designs and develops innovative massage therapy tools that mimic the touch of a therapists hands making their foam rollers hand rollers massage sticks and balls ideal for individuals of all ages sizes and athletic ability.