Self-massage for tight or achy muscles • Relieve back pain through direct pressure • Easy-to-reach design for whole-body massage Ball and acorn knobs. Knot remover. Manual/handheld. Lightweight. Durable. Simple to use. Portable. Hook the tool over your shoulder or around your body and use the therapy knobs to massage and relieve tight, sore, or achy muscles. When the muscle compression is released, it stimulates oxygenated blood flow for a therapeutic response. Will ship in poly bag pouch