@Zoonie They also seem really discreet. I’ve never noticed anyone wearing one! A friend was, but I didn’t notice until she pointed it out.
@macintosh Ah, possibly. I was confused by the reference to someone who’s apparently a 1980s pop singer :)
I saw a wobbly man carefully place a half-full pint of beer into his backpack, zip it up, put it on his back, and stagger out of the pub.