✅ SOLVED I've seen one posted before.

[pepperj]

Dug this up, asked the farmer as he pulled up.
It kind of looks familiar.
We both said it didnt look old.
But we don't know what it's use was for.
2.5" long, heavy so either a plated zinc or brass.

 

[DCMatt]

Horse equipment. Gag bit part.

 

[traveller777]

DCMatt is correct. I am fairly certain it is a Latta Swivel or very close to it. Horse Equipment.

 

[traveller777]

civil war camp item

Help with civil war camp find

metaldetectingforum.com

 

[Gare]

i think DCMat Hit the nail right on the head. Part of A Gag Bit