Any reference terms for frozen hide?

[Billy Maxwell]

I usually enjoy all your comments and observations, but I need your 
help.
I could be losing it, but I could have sworn I read a Siouan term for a 
worked hide that was put out in the cold after braining.
I cannot remember where I located that, but I cannot find the source 
anywhere. If anyone knows of a reference to this please
let me know.

There are those that say this was not done, yet I have done it on 
advise from the "granny squad" who did do it for their best hides.
Matters not which language, just sling the terms and references at me 
if you know of them.
Thanks in advance. Billy Maxwell