Bring them back to fresh with water, (soak in river) then brain them with fresh brains mixed well with water, into a paste, rub well into the hide, the flesh side, a long time because it must go all the way through, remember this only works if it is fleshed well (all meat, fat removed ALL,all, ALL ) now work it almost dry, work,work,work hard and long labor, tough going do not stop until it is almost dry, use a rope, stake of wood, any thing that will keep the fibers moving until it is almost dry. and insert a plug of wood that is the shape you want the quiver to look like, you are getting parflesh, a brained but still firm hide,smoke if you want it to be waterproofed,a labor intensive job, but well worth it. Deer, pig, or cow brains will work. write back if you need any info.
