Bernette b68 Airlock 2/3/4/5 Thread Serger Machine with Overlock, Seaming, Cover Stitch, Chain Stitch, and Combo Stitches

Knee Lifter Use the included knee lifter to position the fabric comfortably under the presser food with both hands. Simply push the knee lifter to the right with your knee and the presser foot is lowered or temporarily raised.