Quote Originally Posted by DarthLord View Post
+1 to this. For me, it's my head hair (though it is thinning in terms of population, my head hairs are thick, straight and wire-tough). I've learned quickly that if I don't shave my head every day, it will murder a straight (it probably murders my DE blades as well, but I'm not so concerned about those.) It doesn't totally wreck the edge, just makes it noticeably duller.

And yes, I'm careful about angles and stretching.
Won't hair be just as tough whether it is a day old or a week old. A piece of 4x2" is still 4x2" whether it is a foot or ten feet long?