Feller Felling Foot, 1/8 inch 4mm bobbin just for clarity -- many

just for clarity -- many of the bobbins found in "Singer" packages at your local sewing store indicate that they fit the Singer model 221

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Original Singer "Make It Yourself" plan included with the machine - serial number is written for positive identification

Feller Felling Foot, 1/8 inch 4mm bobbin just for clarity -- manyUse this attachment to create a 1 8th inch flat felled seam because it folds, presses, and stitches the first row of stitches all in one pass. This seam finish not only prevents unraveling or fraying, but makes the seam very strong. It also gives the finished garment a clean finish on the inside. A flat felled seam is commonly found on denim jeans and men's dress shirts as well as on reversible garments. I've even seen this feature instructed in