This foot is for creating soft gathers in lightweight fabrics. The underside of the foot is reaised behind the needle and has a thick bar in front of the needle to gather and attach a ruffle onto a flat piece of fabric simultaneously. Use a ruffler to obtain a more dramatic gather. Compatible with Janome models Continental M7 Professional, Horizon Memory Craft 12000, Horizon Memory Craft 14000, Horizon Memory Craft 15000, MC8200QCPSE, MC8900QCPSE, MC9400QCP, MC9450QCP, MC9850, MC9900, MC6650, MC6700P, Skyline S5, Skyline S6, Skyline S7, Skyline S9.