Foot massage/ab wheel
Specification: Φ11*18.8cm
Packing size: 1pc/color box (11.5*11.5*20cm), 20pcs/ctn/59*46.5*22cm/2.1ft
NW./GW.: 10/11kgs
20ft/40ft/40HQ: 476/952/1190pcs

The cord helps you target areas of pain and keeps the ball in place.
The ball with rope targets sore muscles for pain relief.
Leaning on a wall or laying sown, how much pressure you want to apply to your trigger point for relieving.