The very best in the world is the one is here...
http://www.southwestsewingmachines.c...oductid,,116RZ. It has the razor on the end. It is very sharp and work excellently. Also, I bought a man's electric hair razor and it is awesome!!!! You don't even have to touch the thread and it clips it. It only costs $13. And they had cheaper ones. I got it at Rite Aid as I won't go into WalMart. I wish