Accessory Hand Brake Extension. Looks to be NOS, but cannot tell. Stamped "Patent Pending" on one side and "The Rollaway Motor Co. Toledo Oh, USA"
Ill take it
"Rollaway" isn't a great name for a company who wants to sell something to improve your parking brake...
Good buy, Ed - that's only the second one I've seen (mine was the first) in collecting accessories for 30 + years !