Nailed it......

[chicot60]

http://i.imgur.com/u1cJCJW.jpg

[Benney]

I can feel the pain.
Had a 2 inch 18guage brad deflect out of a piece of wood right through my thumb one day.
With those barbs on it I had to snip it off and push it through.

Ouch!

[steveOtoo]

At least it's not pinned down onto a piece of oak flooring......