Originally Posted by WhyFi

Come on, now - you know my love of kit.

That happened once to Trsnrtr, but I have yet to experience more than some droplets on my calf. I would guess that it's one of those goldilocks situations - the puncture needs to be big enough to not seal immediately but small enough to have sufficient exit velocity and minimal spread, etc. It'd prolly have to be more or less dead center of the tread, too, to spray in the right direction, instead of off to the side.