Solving Threading Problems and other Issues
8:34
Adjusting Bobbin Tension on Both Drop-In and Front Loading Bobbin Cases
11:23
Slow down the Singer Heavy Duty Series on some USA Versions
27:40
Singer Heavy Duty, Most In-Depth Review on the Internet. No Really, I'm Not Joking.
4:53
Singer 700 Series - Bobbin Case Positioning
10:47
Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions.
7:11
Sewing Machine Tension Issues SOLVED
10:59
Singer Heavy Duty 4423 Threading and Bobbin Winding
21:38