Most of you know I just started tyin flies, I have been using ultra thread 140 for wooly bugger patterns. Sadly thats the only real pattern I know but trying to expand and other flies call for different types of thread. But Im getting confused on all the other types of threads out there and there purpose. I would like to know what is the differance between floss,monocord, and prewaxed thread? Can I use UT 140 to tie all types of flies? Any info would be grately appreciated,Thanks.