Happy feet.
Foot cupping is the most sought after by sports persons as this easens the ligament movement, increases the stamina and helps to stay energized. Most notably, Michael Phelps, the consecutive Olympic winning swimmer has used this during his trail.
Overall this kind of cupping softens the feet and is widely used by persons with diabetes, a side-effect of which is swelling. Foot cupping gives instant pain relief and also changes the color of foot.