From Fat Dog's Vault:

Vintage Case Candy!

Direct from the 1960's. Never before sold. Comes with the original box and user manual.

The Hamilton chrome-plated capo features a traditional design with felt and soft plastic cushions.

The Hamilton 20-A is a Banjo Capo Spring operated lever for quick and easy changes. Swiveling tension bar for easy attachment and removal, Chrome plated.

Hamilton capos have been around for years.