And yes Pitman, I agree that for many applications, a stripped blade just plain works better--less friction and less hang ups. But I'm still guessing "alien technology." <img src="/ubbthreads/images/graemlins/wink.gif" alt="" /> <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" />

JYD #126
Super JYD #13

"Those who would give up essential liberty to purchase a little temporary safety, deserve neither liberty nor safety."

- Benjamin Franklin

"A free people ought to be armed."

- George Washington