Eyelet Cam for the Singer Buttonholer (Vintage Original) Box:With Box but it is usually required

but it is usually required to compress the multiple layers of fabric just enough so that a proper stitch forms

with the exception of Singer Machine models 66-1 and 66-3

Superbelts are treated with what's called belt dressing in the manufacturing process—much like some automotive belts at the auto-parts store (made and dressed differently

The part number that is signicifant is the Throat Plate

the screw will not be flush with the gib hook causing the thread to catch on it

Eyelet Cam for the Singer Buttonholer (Vintage Original) Box:With Box but it is usually requiredThe vintage Singer eyelet template is very scarce to find anymore! It was not originally included with the Singer Buttonholer Attachment, but would have been ordered as a specialty sewing item from the old, original Singer Sewing Centers (as needed for making belt holes or decorative stitches). The eyelet template or cam is designed to fit the vintage Singer Buttonholer Attachment (sold separately). Scroll through the photos above and watch the video