If charm size+ a tail I cut the tail. If it has a tail but I can get a charm or bigger out of it, I cut the tail off. It that tail is long enough for a strip then I put it into the applicable scrap size bin. If the tail is 5" wide then I may put it into a charm bin. A piece 18x 17, I leave intact. You may want that for 9 charms +. I have pieces like that and pin a post it on it with the size.