Horse harness /saddle items / round two

[glass half fool]

A few weeks ago I posted a picture of an assortment of horse harness items. I found in a farm dump .Yesterday morning I thought I would return to check it out some more .In about 30 minutes I had found these four items .The one is bronze and I think one of the other 3 is brass . I got lucky for a short dig .

 

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[mdj]

What is that piece on top, right side. I have one and have seen them before. The ones I've seen all have that curve?

 

[glass half fool]

That is on the end of a single tree The one in the first picture is really rusted and the angle of it makes it hard to tell that it is the same thing I also included another piece that would be a part of the hook up between the harness and the horse drawn equipment. Thanks for looking