Feed Cover Plate, Vintage Original 66 & 99, 15 & 201, 237, 239 (NOT for Featherweight) Style:66 - 99 - 185 - 192 Chrome *Thermal Bonding is a process

*Thermal Bonding is a process that interlocks the fibers through the use of heat energy

Hook assembly is not included—it appears in photos for demonstration and comparison only

so that two different machines didn't end up with the same number

but they are certainly difficult to come by

the separator blade on the Ruffler is removed and the Shirring Blade must be used

Feed Cover Plate, Vintage Original 66 & 99, 15 & 201, 237, 239 (NOT for Featherweight) Style:66 - 99 - 185 - 192 Chrome *Thermal Bonding is a processFeed Cover Plate for other Singer models including the 66, 99, 185 & 192, 15 & 201, 237, 239. These are used for free motion embroidery and darning work using the vintage original Singer darning foot. Instructions for use can be found here. This plate will NOT work on a Singer Featherweight 221.