Suitable for HUSKYLOCK™ S25 and S21 and AMBER™ AIR s|600 Overlockers The three-fold 3/8″ (10mm) binder will turn a lightweight knitted fabric strip into a binding and attach it to the project edges all in one step. To bind edges with 3/8″ (10mm) Coverstitch Binder, cut a 11/8″ wide strip of lightweight knit fabric, such as light weight jersey or interlock.