There are two different lengths for the tieup cords:
- The Standard size fit Schacht looms without any modifications: Wolf Pup LT, Wolf Pup 8.10, Baby Wolf, Mighty Wolf, and Standard Floor Looms. Standard size cords have a brown button.
- The Height Extender size fit Schacht looms that have a height extender installed. Height Extenders fit on: Wolf Pup LT, Wolf Pup 8.10, Baby Wolf, and Mighty Wolf Looms. Height Extender size cords have a gray button.
- The original Wolf Pup does not use tie-ups; its harness cords attach to the treadles.