Shop Red Button Quilt Co. Products › Fray Check Image 1 of 1 Fray Check $5.49 I use to Fray Check to keep my blocks from fraying when I’m hand stitching on them. It is especially useful with homespuns. Add To Cart Added! I use to Fray Check to keep my blocks from fraying when I’m hand stitching on them. It is especially useful with homespuns.