It looks like a regular stapler, but attempting to slam the stapler down with excessive force will activate a spike that forces its way out of holes on the top, piercing the abusive stapler-user.
A brief warning sign could be posted. Or not.-- twitch, Nov 23 2010 a smart smack! re-cycle_20old_20staples [po, Nov 23 2010] Stapler with fangs Stapler_20with_20fangsshameless self promotion [xaviergisz, Nov 23 2010] Why slam a stapler when you can punch the person pissing you off?
Oooh! I alliterated!-- MikeD, Nov 23 2010 do you share a stapler and you worry about its abuse? how strange.-- po, Nov 23 2010 The thing is, I don't think I've ever seen a stapler fatally damaged, or even seriously wounded, by heavily-handed blows.-- MaxwellBuchanan, Nov 23 2010 well max, then you haven't seen cheap. Or you haven't really seen a "heavy hand".
Try working with polynesians, who think that the more force, the better. If they break it, their solution?: Walk away fast.-- twitch, Nov 23 2010 Ah! There's your problem - a cheap stapler, probably Chinese.
The stapler in my library is French. Genevieve, I think she's called.-- MaxwellBuchanan, Nov 23 2010 isn't most of what we use on the consumer level made in China? Kind of hard to avoid.-- twitch, Nov 23 2010 Staplers should be able to resist functionality, but not be able to punish dysfunction. This is particularly important when staplers resist functionality.-- rcarty, Nov 25 2010 Mind you this is a half-bakery stapler, and punishing dysfunction, I believe, is perfectly acceptable.
I mean, my wife punishes me all the time.-- twitch, Nov 25 2010 Find and replace "stapler" with "woman"?-- rcarty, Nov 25 2010 s/For those heavy-handed office fellows/Expensive vigilante stapler designed to punish those who abuse cheap staplers/g-- swimswim, Nov 25 2010 random, halfbakery