Fascinating: https://mastodon.social/@Snoro/111009719372820276 But not sure I'd take this approach without direct provocation from drivers. That said, it might influence people's vehicle purchasing decisions... Disclosure: I've used this (non-destructive but inconvenient) approach on a couple occasions when I've come across cars whose drivers have previously put my safety (as a cyclist obeying all road rules) at risk for their own convenience or out of ignorance of their responsibilities...