3 more unidentified items from old farm property

[DARKCYDE]

Figured I'd throw them in together.
Any ideas?

 

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[jewelerguy]

top left looks like part of a screen door hinge. bent, and of course missing the spring. Not sure about the item top right, it reminds me of part of a string mop. the other thing looks maybe cast iron. don't have a clue as to size, so maybe a fence topper?

 

[Tony in SC]

The third pic is a grease cup. Used on machinery, Hit Miss Engines etc. Tony