The right hand is used to keep the under layer steady and flat at the first notch while the left hand with the fingers on top of the fabric and the thumb underneath, places the top section in position.

• 用右手稳定下层衣片并使之平顺的对准第一个刀眼,同时左手的手指放在上层衣片的上面,大拇指放在上层放片的上面,大拇指放在上层衣片的下面,使上层位置对准。