Originally Posted by CliftonGK1

Helmet cam.

I got out of the habit of wearing mine because my previous commute was mostly on bike trails, but now that I'm back on the streets for 100% of my commute, it's camera time, all the time. It's easy enough to take 30 seconds and wipe the video files if nothing happened, it's indispensable as evidence in case something does.
Yesterday I got some great footage of a tandem bus giving me less than 20" passing clearance. It didn't rattle me too badly, but I'll still send it to Sound Transit with a polite reminder for their drivers to give wider berth.

People get squirmy when they realize someone is filming their jackassery.