Concealing an epi-pen. - Page 2
Nah, that's practical tactical. Gotta have kydex to be a real geek.
Or tuck it under your waistband...
When I was in the Army we were taught how to use similar auto-injectors that were supposed to fight the effects of chemical weapons (no one thought they'd actually work). We were told that the needle would go through a finger if you weren't careful. I was scared as hell of those things so I can't blame your wife. lol