when you're tying bucktails, do all of the above, with the underwraps to hold the hair, and don't try to tie too much hair on at one time. also, after you put some hair on put a coat of superglue over the threads, let it dry, and keep adding hair till it is as full as you want, putting on occasional light coats of superglue just to hold things together. then do some whips (necessary) to finish it off, and coat the threads in a nice coat of superglue. <--- this won't come apart.