Klarna payment options available at checkout.The Janome Lower Knife for the 744D. The lower knife is fixed and does not move. The cutting edge of the upper and lower knife will wear over time. Overlocking over pins will shorten the life of any overlocker blade. So take care with your work.
Cleaning Overlocker Knives
It is recommended that you clean your overlocker knives regularly. A build-up of lint or trapped thread may impair the cutting action of the two knives. On most overlockers, you can easily disengage the upper knife. This allows you to clean both knives and keep them in good shape.
