Capture thread vertical shuttle sewing machine bonus troubleshooting side/front loading bobbin

Capturing the lower bobbin thread and fixing problems issues
- at 1:05 notice how the shuttle is passing 'above' the bobbin thread, that's why the bobbin thread needs to hang freely down inside.
- remember to fully engage/lock in place the two plastic locking tabs for the shuttle securing ring - as shown in the video, notice the position of the two tabs on the securing ring, there is a small bump on which the locking tab will lock