BYRIVER Acupressure Foot Massager, Acupoint Rock Pebble Stone Massage Slippers Shoes Reflexology Sandals for Men Women. (BK25)

"Product description IMPORTANT NOTE! The first few times wearing may be very painful! These are therapeutic sandals that you only wear for 5-15 mins per time, the first few times of wearing may be very PAINFUL, which is a normal part of the adjustment process.

We recommend adding thick socks before getting used to them.

If your pain tolerance is very low, these massage sandals might not be suitable for you.

What is the benefit of BYRIVER reflexology sandals? Relieve aches and pains such as headaches, migraine, neck pain, backache, and neuropathy.

Improve blood circulation and energy, and reduce insomnia, stress, and anxiety.

Helps with plantar fasciitis, flat feet, arthritis, and muscle stiffness."