Open-toe Stippling Foot 4128010-45 - Viking models" /> This all metal foot with a large opening in the front, lets you thread and sew easily when free-motion quilting and embroidering. Take standard ankle and presser foot off the machine. Place open toe stippling foot on the presser bar. Screw in place with the accessory thumb screw. Lower feed teeth and set presser foot pressure to the darning position. For group 1,5,6 set machine for straight stitch. For group 7 select the V menu, touch free motion straight stitch or free motion zigzag stitch.