http://linkinghub.elsevier.com/retrieve/pii/S0196064403008138

A bit of science to back up bmisf

Too bad too. I always thought of it as a suitable 'life over limb' tool for when immediate evacuation isn't possible.

I guess when you consider how deep you cna be injected by snake fangs when compared to a bee for example, it makes a bit of sense.