Your HUSKYLOCK™ has two optional Piping Feet. One for standard size piping and a wider grooved foot for larger decorator piping. The sewing technique for both is the same. The Piping/Cording Foot makes both the covering of cord with fabric to make piping and the insertion process faster and easier. Machine setting: 3 or 4 thread stitch length “N”, -width “N”, finger “N”. Fabric: medium weight woven and piping. Tension settings: normal, (LN) N, (RN) N, (UL) N, (LL) N.