How to build a speed detector?

[Ian Stirling]

THen you back off and make a safety gap for the next beavis to pull into,
back
off again for the next beavis, and so on. You'll still get there, and much
more likely in one piece, with less heartburn.

Until you get rear-ended by the fifth one that was changing tapes.

 

[Julie]

I'd like to have some James Bond device, like spikes or an oil slick,
except that'd get the guy behind the tailgater. Maybe a bumper sticker
that says, "Danger! Tailgaters will be Spiked!" with a little picture
of one of those tetra-whatever things - 4 points at the vertices of a
tetrahedron. Maybe a couple of baskets that can be dumped, with a
bunch of those things in them, so the tailgater knows you're serious.

And a big mirror for when they're tailgating at night.

Cheers!
Rich

How about a bag of gravel, remotely operated, located at the front of the rear
wheel. Someone too close, let out some gravel -- the will learn real quick to
back off as they get their hood/grille/windshield full of rocks, and they
(presumably) won't come after you since they will think that it was kicked up
from the road.