Uploaded October 2021 | Updated September 2026, 8 minutes ago
This video shows how to thread a JACK E4S industrial overlocker one thread at a time from the lower looper first through to the left needle for full four thread overlock.
This video shows how to thread a JACK E4S industrial overlocker one thread at a time from the lower looper first through to the left needle for full four thread overlock.










