Intended To place a spherical dimple in almost any location around the aligner. No heat required to achieve the dimple. Basically squeeze the plier on the desired location to accomplish the dimple. As a result of style and design on the dimple plier it won't distort the aligner during placement. https://base-directory.com/listings13083726/the-smart-trick-of-dimple-pliers-that-no-one-is-discussing