Weighted Smart Hula Ring Hoops, Hoop 21 knots, Pink 24 Knots\nProduct Details\n--\u3010Two-in-one fitness massage\u3011 Not only can these smart circles burn body fat quickly, but they can also help you achieve your ideal figure. You can also massage your waist to relax you. One product, two functions: side exercise, side massage. Burn fat 2-3 times faster than the normal hula hoop.\n--\u3010Quiet bearings make your movement more comfortable\u3011 Because of this pleasant experience, we recommend that you exercise for 30 minutes a day for 5 days. then you can burn up to 800 calories every time! Note: If the wheels on the pulley cannot turn smoothly,Just flush the pulley and clean it.\n--\u3010Free adjustment of 24 parts\u3011 There are 24 parts with magnetic buckles that can be freely combined depending on the waist size. Suitable for the whole family, suitable for fat / thin waistlines!The correct way to remove the link is to twist the two links outwards, twist them in the opposite .