I bought this at a yard sale in the 1980s. 

I Have no idea why it is twisted or its use.

Someone suggested at a flea market 20 years ago that someone might have twisted it? 

Anyway its unique and weird

Any ideas message me

 It is a collectible item that belongs to the category of Spikes & Nails, Hardware, Railroadiana & Trains, and Transportation. 

The item is made of durable metal and has a unique design that makes it an attractive addition to any collection.