This great YouTube video from Jamie Wallen is a clear explanation on getting the tension right for long-arm quilting machines. It also applies equally to mid-arm machines, like the HQ Sweet Sixteen.
Rhonda Bracey: At Random
My quilting life, plus random life stuff
Rhonda Bracey: At Random 
Have shared this to my Fb page. This is what I have been doing and the results are fail-safe!!! Awesome demo!!! Thanks so much. I hope this goes a long way to “de-mystify”/eliminate the “don’t touch the bobbin tension” old wives’ tail!!!!!
Ive been sewing for 40+years and this video is awesome Thank you so much for making it.
Hi Martha
I didn’t make it — I just shared it from YouTube so I’d always have it handy. Jamie Wallen made it.
–Rhonda
[…] ALWAYS drop-test my bobbin thread tension before threading the top of the machine. I use Jamie Wallen’s method and it works every time for me. Once I have the bobbin tension adjusted, I rarely, if ever, have to […]