Nova Tech US via Amazon offers the Nursal Waist Trimmer in Medium or Large from $18.99. Regardless of starting price, coupon code "E6FPE499" cuts it to $12.99. Plus, Prime members receive free shipping. That's tied with our January mention at $7 off and the lowest price we could find. It increases your abdomen temperature during exercise to help you lose weight and provides lumbar support. Deal ends March 31.