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Use this foot to couch single or double rows of 7-8 mm cording to your fabric. It can also be used to make single and double rows of piping. Underside of foot has two grooved to accommodate the cording. The double rows of piping also known as double welting cord is often found as a finishing trim in home decor.
Model number: BAB BLSO-DCF8
Guaranteed to fit because it is a part.