Fitness Equipment
Waist Twister, TIZYFF Sports Equipment Home Twist Waist Disc Board Balancer, Silent Board for Waist, Arms, Legs, Hip Exercises, Fitness Indoor/Outdoor
Improved twist waist disc: The twist waist disc board has been developed with a separate and noise-free structure as well as a 360 degree rotation to allow your feet to rotate freely. The distance of the rotary plate can be adjusted as desired....
https://www.bizrate.co.uk/fitnessequipment/waist-twister-tizyff-sports-equipment-oid31279510227.html