I've got 2 or 3 of those around here some where, probably with all my other flight gear.
I picked up a couple of green plastik tear gas cartridges in the mid/late 60s to have as an addition. Figgured that I could get 2 uses out of them - flush an animal out of a burrow or slow someone down who was chasing me.
In Viet Nam I carried one in the pen pocket on my jungle fatigues when I went to town. Figgured it wouild take the fight out of 1 or 2 cowboys in a pinch and I had a S&W Chief in the side pocke of my pants in case there were more than 2. Fortunately never had to use eiother one.
Sarge