I have seen that "Warning 600ohms!" thing on here before, likely the same author... Brilliant!
I tried this at a show or two, it is remarkably effective at kepping the uninitiated away. However it does seem to be a conversation starter among those that are savy enough to "get it."
My stand has reflective stickers on the legs and I sometimes shine a light on the legs.
Bicycle head(white) and rear(red) LED lights are perfect for "downlighting" your rig/stand legs. The mount that goes around the bike handlebar/frame is perfect for a mic/lighting stand...
I second the others before that pointed out the pro's and cons of glowsticks....
My Bogan stand is aluminum color. Black stands disappear in the crowd of a dark venue, not ideal for open taping... Stealther's like that I am sure...
Crazy tactics do work. I've not seen "fart spray" in action, but I have seen a few crazy things. One local taper is famous for the "Judo Chop!" Or, crazy dancing taper man, who may invade your space, bro... My favorite, from the inventor of the "Judo Chop," : When they ask you about your rig, you reply, "Good day Sir! Have you found the LORD in YOUR life??? Sir? I play in a Christian rock band, would you like a flyer? Sir? Good Sir?" They usually run from the taperssection...