Feller Felling Foot, 1/8 inch 4mm bobbin the motor is under less

the motor is under less strain during normal sewing

this one is especially unique in that Mrs

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

If the bobbin thread tension has been disturbed

This machine is fitted with its original 220 volt motor that has been rewound to 110 volts

Feller Felling Foot, 1/8 inch 4mm bobbin the motor is under lessUse 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