Lotta would take a handful of straw and use THAT as a brush in circular motions to dry their sweat in the wintertime. You can take a handful of shavings and do the same, then brush off the excess with a CLEAN brush. It's not the best way considering dry shampoos and the like which we didn't have 30 years ago, but it helps in a pinch, and horses aren't allergic to it, and they smell better afterwads. Like a said...in a PINCH, when you don't have anything else.
I'm laughing about this bc this winter I've done a marvelous job of keeping up with my stalls, but, since I'm not riding them--bc of bad footing mostly--my brushes have taken a vacation!! Yesterday my 3 added to the dirt by thoroughly rolling in the mud. You'd think they were putting on war paint! Lol