Of all the things that got dumped onto this beach at Ft Bragg, glass was the least problematic.
https://en.wikipedia.org/wiki/Glass_Beach_(Fort_Bragg,_Calif...
https://seaglassassociation.org/
Especially when a critter chews on it accidentally, or it gets crushed under foot and some ends up in the foot.
It's the dulling process that sucks.