Dr. Archy Foot Massager Foot Massagers Rolls Welch Allyn 3 17170 Welch Allyn 3 30 psi * The inexpensive way to reliably measure hand and finger strength * With an indicator dial that remains at the maximum reading until reset * Calibrated in psi * Archy all in one foot tool can be used to treat your arches with gentle yet robust massage which can help address symptoms usually associated with sore feet heel arch pain and plantar fasciitis * The 3 major muscle supports in the foot's plantar surface (sole) are thoroughly massaged and relaxed with the included Dr Archy takes advantage of the muscle structure of the foot and lower leg to provide a natural low impact exercising motion that supports stretches and massages your arches * Working the extrinsic and intrinsic muscles of the lower leg and foot Dr