Improved blood circulation

The sole of the Vibram Fivefingers V-Train 2

It can also be used to target the upper thighs

shock-proof and not deformed

Continental™ Rubber outsole

Blackroll Duoball 8CM -Black cat~C Improved blood circulationBLACKROLL DUOBALL Effective massage effect Ideal for treatment of parallel lines of muscles in the neck and back area. The gap between the two fused balls is gentle on bony structures. Also perfect for massaging shoulders, arms, and legs The DUOBALL is particularly effective for massaging and releasing tensions in parallel lines of muscles, e. g. along the thoracic and lumbar spine The areas where we feel upper and lower back pain. It can also be used