I use a stiff nylon thread. Any thread that one can poke through the loopers and tie on to the regular thread will do. You might need to try seversl things to see what works for you.
Check the threading for how to thread your machine. The hint is for an old BabyLock serger -1970s model.
Last edited by bearisgray; 02-11-2015 at 04:49 PM.