[Easy Curling and Tangle Free] With just 1 button, you can make a beautiful curls in 8-15S without any skills! And for less tangling, the double side deep slot and pressure sensing function are added: the slots can ensure easier hair-inserting and smooth hair-rotating in the fixed range; with the pressure sensing, there will be a micro-rebound to loose the tightly curled hair, when it detectes all hair is well curled in the chamber, so that the risk of tangling can be effectivelyreduced.