The Spiral Foam Roller fits in your kit bag or cupboard at home on hand to aid muscles anytime.?The roller has a spiral design that mimics finger and hands to alternate the pattern of massage.? This allows you to tailor the massage you want with the right intensity anywhere. Use it before exercise or after to increase blood flow to muscles and aid in myofascial?release.? It’s strong because it is constructed in PP tube so will not crush and deform like cheap versions. There’s a link provided with the roller to download exercises you can perform with the spiral foam roller.