[apendleton]

If it's any consolation, I'm pretty sure the leading edge is the blunt one, not the sharp one.

[vlachen]

Further more: sharp or dull, Ginsu-style or traditional prop, putting a part of your body in the interaction zone is a bad day. The article's style just gives it a more body-horror feel.

[interstice]

Yes, but a traditional prop doesnt extend down like that.

Come to that, shallow water would be fun.