Come and see our amazing products. Waist Twisting Disc will Massage and stimulate meridian points on the bottom of the feet and help promote good Health.twist your waist to slimmer ABS, hips and thighs.nti-skid threaded chassis that won't hurt the floor, don't have to worry about slipping during exercise, and can protect the floor from scratching. Pls confirm with us about the packing info, stock color and exact production time before placing your order.