I’ve heard that anti-SUV activists somewhere in the Nordics would place a small stone under the air valve cap and the screw it back on causing the tire to slowl

I’ve heard that anti-SUV activists somewhere in the Nordics would place a small stone under the air valve cap and the screw it back on causing the tire to slowly go empty over the course of a day. Inconvenient, nondestructive - but also not very kind.