Sewing Machine Not Picking up Bobbin Thread - Troubleshooting - elna lotus
33:57
Elna Lotus Hook Pinion Gear Replacement
6:08
Sewing machine won't pick up bobbin thread | hook timing fix
24:38
Sewing Machine Tension Issues - Thread Looping Underneath - Part 2
11:03
Singer M1000 Needle not Catching Bobbin Thread [Fixed]
10:01
elna طريقة استعمال
9:28
Sewing Machine Not Picking Up Bobbin Thread? 2 solutions! |Sewing Machine Troubleshooting| 缝纫机无法勾底线?
17:48
Elna Lotus Coupling Switch Explained and Explored
8:06