The Singer Ball Bearing Hand Operated Pinking Machine 121379 Pinker from 1935 is a vintage original sewing tool that is a rare find for collectors. Made in the USA by Singer, this black pinking machine features original manual, box, and clamp, adding to its authenticity and value. With its unique design and historical significance, this hand-operated machine is a must-have for sewing enthusiasts and collectors of vintage sewing artifacts.