Plow? Rivet?

[SkyPirate]

I found both of these on an old plantation site. I have no idea what the triangle piece is

The other thingy looks like a rivet from blue jeans or overalls.

There are no words or marking on either.

Help me out! Thanks.

 

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[TheCannonballGuy]

I've never seen that exact form of rivet holding cloth or fabric together. Based on evidence we dig from civil war battlesites and campsites, that particular form of brass rivet was used for holding two (or more) thick pieces of leather together, on everything from horsegear to soldiers' gear. Unfortunately for us diggers, the exact same form of brass rivet continued to be manufactured until at least World War One ...so it is very difficult to time-date one with reliable accuracy ...unless it was dug almost touching a civil war military relic and at the same depth. ;-)

 

[Skywola]

The first picture looks like part of a planting machine, but it could be part of a cultivator too. A planting machine
creates a small, v-shaped ditch (and this picture is the part that would do that), drops the seed, then buries it. A cultivator may have a similar shape, but its use would be to remove the weeds around the plants that you are trying to grow. I grew up on a farm, and we used these types of things, although they were quite antiquated even then.

 

[olroy70]

I purchased copper rivets from Tandy when I was a kid, so, they went on longer than WWII