What is it? Weird find.

[bblaha]

Was detecting some pretty thick woods and in the side of a hill next to a tree I get a really strong signal, after digging just a couple of inches I found this attached to the root of a tree, what the heck is it? Also found assorted trash . Thanks for looking

 

[smitty63]

It looks like something off a tractor... Don't know about the other stuff.