There's a reason why one of the preferred weapons for anti-boarding operations aboard ship is still a good old pump 12 gauge shotgun.

There's a lot to be said for the effect on the rest of the assailants when they see one of their own get folded in half at the waist, picked up and tossed out the door like he had a rope tied to him and the other end tied to a runaway bull with a hot shot stuck on his rump.

Downright demoralizing.

A double is okay, but then you lose the effect racking the slide on the pump gun has on an intruder in the dark. Almost as good as the sound a big blade going "swoosh" through the air, and not knowing quite from which direction the sound came.

Yes, I likes to play with my food before I eats it...sometimes.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)