C-Clamp, Small Vintage Original for Singer Pinker & Sewhandy 20 (unmarked) Style:Matte Finish Is there a proper way

Is there a proper way to apply the clear-coat

or want to keep one with each of your machines

The machine is fitted with an original striated faceplate and the original case includes the tray for holding the attachments

and the early scrolled faceplate (from 1933 to 1937)

EF560*** indicates an original commission date of November 7th

C-Clamp, Small Vintage Original for Singer Pinker & Sewhandy 20 (unmarked) Style:Matte Finish Is there a proper wayThis is an original Singer (SIMANCO) C Clamp used with the Singer Hand Crank Pinker as well as the Singer Sewhandy Model 20 Child's Sewing Machine. A C Clamp is of necessity for the Pinker and Sewhandy to work properly because it needs to be securely fastened to a table for the crank to turn freely without the pinker and machine shifting. If you have a thicker table or surface than the original c clamp allows, most any new hardware c clamps will work