Husqvarna viking 9 groove pin tuck foot cat 5 sew quick tucks in light weight fabrics use with inspira twin needle 1 6 mm 6200736 96 straight stitch length 1 5 2 0 other information1 snap on pin tuck foot 2 insert and thread 1 6 twin needle 3 sew tucks are formed by twin needle sewing as fabric tunnels into the groove on underside of foot 4 place tuck in outside groove of foot to guide next tuck