Bernina Demo L850 2/3/4 Thread Freearm Overlocker Serger 3-9mm Wide 1Step Jet Air Looper Threading, Needle Threader, Knee Lift, Swing Foot, Ext Table
Hover the end of the looper threads over the air threading nozzles and the powerful air threader will actually pull the thread into the nozzle and through the looper eye