可以在这些机器上使用
d e g j k
other information
how to use:
1. snap on the bi-level topstitch foot for idt™ system.
2. engage the idt™ system.
3. select a straight stitch.
4. use the inner left side of the presser foot to guide the fabric.
5. adjust the needle position to left to get the topstitching distance you like.