[maica]

I’d like to see the cops shoot a full cannister of pepper spray down their throats so they could be removed in silence.
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Some kind of “protective” mouth plug should become part of the ushers’ equipment: a bag to be thrown over them made of sound-deadening material would be handy.

[LibWhacker]

This is an opportunity for all of us inventors out here to get busy... I envision a strong plastic bag with a powerful springy piano wire-like closure that snaps shut, tightly around the neck (so that innocent people nearby don't experience any discomfort from the pepper spray). Then the bag instantly fills up with half-a-pound or so of aerosolized pepper spray, kind of like an automobile airbag popping out during a collision. When the criminal opens his mouth to scream out, a large heavy rubber plug is then automatically forced down his throat.

Wow... I'm gonna make millions.

[LibWhacker]

I like that! A big clear plastic “helmet” (bag) with a zerk through which several gallons of water could be quickly injected ought to deaden the sound, very nicely indeed. You could even include a little goldfish in each bag to distract the protestor from his predicament while his a** is hauled off to jail.