"Rat root" which is a dried piece of cattail root, is placed in the mouth and chewed. Swallow the juice from the root (yech,like Buckley's) but not the root. This was given to me when I was pretty sick up there and at first was not very receptive from something being pulled from a guys pant pocket. Really it just looked like a piece of dirt, but when he told me that's what his grandfather taught him and its from "the old ways".  Well I tried it that nite and surprisingly I was quite well by the morning.