i have read ppl putting new knots on their brushes. does this mean they r completely replacing the hair? just fixing the know? if it is replacing it, is it possible to get a nice handle from an antique store and just having someone put a nice stip badger hair knot in it instead of the ???? in there when i buy it??? im just curious cuz i want a nice new silver tip but i dont want to spend all that money if i dont have to. thanks guys u r all awesome