Today, we are going to review the early bobbin winder from the 1933 and 1934 Featherweights, and troubleshoot a loose bobbin seated on the post. Tools Needed or Recommended: Bobbin WinderBobbinsSlim Kitchen Knife (Paring Knife)Other Products Mentioned:Thread As you can see in the picture below, there is a little spring seated inside the post on the bobbin winder. (Bobbin winder was removed from the Featherweight for video tutorial and visual aid.) This spring looks very similar to a small wire. The early bobbin winders on the 1933 and 1934 Featherweights did not have that wire. Instead, there was just a slot. Common Bobbin Winder With...