From the X-Men origins movie a few years ago.
The concrete would be too thick to have the blades poke through, I think, but whatever.
I'll post the rest of it when I'm not too lazy to scan the rest of it.
Father. Husband. Son. Brother. Kid from the East San Fernando Valley becomes comic book creator, novelist, concept artist, storyboard artist, instructor, worshiper of classic Spielberg and Lucas, fanatic of all things dinosauria, Los Angeles sports teams fan, enjoyer of tacos up and down the West Coast, Kurosawa and Hitchcock sycophant, driver of fast European cars, inherent resister of authority, and graduate of Art Center College of Design.