Feature

●When sewing a fastener, normal press will hit the tooth of the zipper so it cannot be pressed properly, but this single button can only be pressed on one side, so it is possible to do a smooth sewing without affecting the draft
●This single ladder is only for professional sewing machines and industrial sewing machines. Please be careful because it cannot be installed on household sewing machines


Description

When sewing a fastener, normal press will hit the tooth of the zipper so it cannot be pressed properly, but this single button can only be pressed on one side, so it is possible to do a smooth sewing without affecting the draft.

This single ladder is only for professional sewing machines and industrial sewing machines. Please be careful because it cannot be installed on household sewing machines.