How to Use a bias binder on a sewing machine
To use a bias binder on a sewing machine, cut end of bias tape at a diagonal. Feed tape into scroll of binder and pull out to back. Adjust binder and/or needle position so that needle pierces fabric approximately 1/16 inch from folded edge of bias tape. Stitch about 1 inch along bias tape. Insert edge of fabric to be bound between bias tape edges into slot of binder. Bias tape encloses raw edge during sewing.