What is the poupose of the stems on these flint Adze's?

[mn9000]

Found these two pretty close to one another in SW Missouri last weekend, are the pointed sections at the base a coincidence or were they designed this way?

 

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[arrow86]

Odd looking .... Are they broke where it could have been going to a narrow tip or does it look intentionally ground ?

 

[mn9000]

Not sure, I'll post some close ups...

 

[mn9000]

 

[mn9000]

 

[dognose]

I think they are broken. As luck would have it, they happen to break in a similar fashion possibly due to the hafting style.

 

[tnmudman]

Are you sure those are adze's? They look like scrapers or maybe crude knives to me.

 

[Tnmountains]

Yhey are not adzes. They are rocks that were tested and worked and never finished into a fine tool. Sure they have an edge but that does do elevate them to the staus od adzes. Interesting materials but unstable