New price low. Cyber Monday Deal. Prime members only. Amazon with Bellabooty has the Bellabooty Hip Thrust Belt for Dumbbells, Kettlebells or Plates (up to 400 lbs) for $50 - 24% coupon (check "Apply 24% coupon") = $27 with free shipping on $35+ or with Prime. Can also be used to add weights to lunges, planks, dips, etc.