Janome 846811008 | Knee Lifter Raise and lower the presser foot hands-free to maneuver fabric as you sew. This newly configured knee lifter has three different adjustable positions to choose from for maximum leg comfort. Set it to your liking and still experience great sewing and quilting results every time. For the Janome Machines: 1600P, MC4800, MC4900QC, MC6500P, MC6600P, DKS100