Pauline's Magic Fabric Folding Tools 1.25in Sasher - easily fold 2.5in bias or straight grain fabric strips. Sashers will fold strips in half or do a perfect bias fold. Simply cut your fabric strips 2.5in wide, either on the straight grain or bias, and your finished folded size will be 1.25in. This size is perfect for folding binding strips. No More Burnt Fingers!