The end pin is a modified screw that holds the tailpiece end of the dowel firmly to the rim. The end pin often also serves as an attachment point or stability point for the tailpiece. In this photo, we see the end pin in place and the hole that the tailpiece hanger bolt goes through for tailpiece attachment purposes. The Bacon Banjo Company was in Groton, Connecticut and was owned and operated by Fred Bacon and David L. Day. The company was started by Fred Bacon in 1906 in Forest Dale, Vermont and later moved to Groton, Connecticut. David L. Day joined the company in 1922. The company was destroyed by a hurricane in 1938 and the business was later sold to Gretsch.