It’s a hand-held catapult-like device to chuck things, and yes, those projectiles are small nun figurines. So, it’s a NUN-CHUCK, just like it says.

I don’t show this off to just anyone at the office; I wait until I know them and use my judgement. But this is the internet. Caveat emptor.

I really should round out my collection and become an equal-opportunity offender, so if anyone has a line on a protestant-o-pult, or an atheist arbalest (arbalatheist?) or even a Buddhistic ballista, let me know. I got the above at American Science & Surplus, though they’re also available at Archie McPhee (and perhaps elsewhere)