Originally Posted by Trakhak

Agree about all but the blinking lights.

After various configurations of bicycle lights were extensively tested, Germany outlawed blinking bicycle lights, because they were shown to actually increase the likelihood of collisions.

Yes, it's counter-intuitive, but blinking lights were unambiguously shown to distract drivers, requiring constant reassessment of the whereabouts of the bike. (If constantly blinking lights were safer, cars would use them, too, of course.)