There are many kinds of foot massagers, one is purely physical, and some cobblestone-shaped protrusions are made through molds, such as foot massage blankets and massage slippers in Kang Wang. The second is to massage the feet by surfing water, such as elite massage basin, the third is to achieve the massage effect by strong vibration, such as a healthy foot blood circulation machine, the fourth is to achieve the kneading effect by motor rotation, and the fifth is to massage by low-frequency pulses, and some also have it.

As for which is good, it depends on personal preference.