Singer Stocking Darner 35776 attachment : darning/mending sock hole / sewing machine - tutorial

There's a lot of detail here, so be sure to watch to the end! This video provides a detailed look at using an original vintage Singer Stocking Darner on my 15k antique/vintage Singer treadle sewing machine to mend or darn a hole in the heel of a sock. Alternative suggestions are shown and offered, and a full overview of the process is provided with reference to the original manual.