Sunvalley Brands via Amazon offers the USpicy Hair Straightener for $15.99. Coupon code "OV5SHKDP" knocks it to $9.99. With free shipping via Prime, that's $10 off list and the lowest price we could find. This flat iron features a curved design, ceramic plates, 1-hour automatic shutoff, and adjustable temperature from 266° F to 450° F. Deal ends January 20.