Single seam guide hook function
1:adjusted quilting Joint positioning width arbitrary
2: adjusted stitching positioning width arbitrary,standard stitching line 0.1-02 cm
3: Double layer to sew 0.1 cm seam, such as: sheet wrap head, pants waist, front flap, hem, cuff, etc., are very easy to use.
Double seam guide hook function
1: The bottom sew webbing or lace,it can double seam guide hook cross-use, the width can adjust arbitrary
2: Sew layer on the small piece with double seam guide hook, and free the hands.