Weird brass item pat 1900 found at 1880s log cabin

[smf399]

I found this at a historic building in Colorado. I'll give more information once I realize what it is. It says pat dec 4 1900. Any info would be great

 

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[Bramblefind]

Another found and solved here

"Garment Supporter"

http://www.treasurenet.com/forums/what/85367-strange-one.html

 

[surf]

http://www.treasurenet.com/forums/what/356999-suspender-clip-5-30-a.html

Only because of TreasureNet membership do I know what these are.

I've not yet seen the famous Ball Bearing Garter swivel, though...

 

[Got_4by4]

​SOLVED!