Anyone know what this might be?

[Ihyn]

Found in farmland. Norway. The place dates back to vikingage and maybe early ironage.

Detektor, equanox 800

 

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[ToddsPoint]

Bicycle pedal. Gary

 

[Tony in SC]

Looks like a big rivet. For what ??

 

[Ihyn]

Looks like a big rivet. For what ??

Exactly what i was thinking too 🤔

 

[Itsmine]

How about the bottom of a stirrup?

 

[Rookster]

I guess it's too narrow to be part of a horses bit. Hey, 25 points goes to the winner.