Oddly natural stone or native indian artifact?

[stringplucker]

My friend found this in a creek as we explored his new property. It looks like a cool rock no matter what but considering it's sandstone I would say natural but I'm a newbie when it comes to this stuff. It's 4 sided and about 10" long. I thought I would check here before I wrote it off. Found in Brunswick County,Va............................................................

 

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[arrow86]

Odd looking for sure but I think natural as well , what’s in the middle of the groove ? String / rope ? Do people hunt ducks or geese There it could be a weight for a decoy iv found that people use some odd times when it comes to that ... I found a few after a storm in a cove with a snap on wrenches dangling under them as weights ..... 🤦🏻*♂️

 

[stringplucker]

It's actually 2 grooves side by side going all the way around. I like the weight theory but not settled on anything just yet.

 

[unclemac]

natural, were it man made it would not have the waves in it. if someone took the time to shape it, it would have more regular lines to it.

 

[Fred250]

There are more artifacts than tools, no clue what you’d do with that but
I bet it had a purpose. Either way I’d have taken home to play with and try to figure out.