Top Loading Bobbins - Tension Issues, Zigzag on bottom side when sewing a straight stitch etc...
8:34
Adjusting Bobbin Tension on Both Drop-In and Front Loading Bobbin Cases
6:01
Fixing Sewing Machine Timing Issues and Skipped Zigzag Stitches | Singer Model 6215C
5:11
Quick Fix - How to Fix An Ugly Top Stitch (Lower Tension)
12:34
You Probably Know A Narcissist (here’s how to spot them)
29:01
How to Fix Tension Issues With Your Sewing Machine, Free course on sewing machine repair 3 of 5
31:17
How I Clean & Adjust a Singer Class 66 Bobbin Case, like this Model 327K
26:47
RESTORATION SERIES #17: Getting the ZigZag Function on a Singer 403A to Back From a Long Hibernation
4:15