Strange Road Markings, Aliens Among Us?

[komodo]

^ exactly what he said. He reacons there is enough steel in his bike - but not low enough to be effective enough.
he has it glued in a plastic canister and then the plastic canister is strpped to the bike apparently. I cant remember exactly - it was a bucks party (and im still wearing the wounds from paint ball) so if that doesnt make sence I blame the booze