Perhaps you can build a device for stealth application like undercover brother In his instance, it's a watch that squirts hot sauce, but maybe you can make it work with powder.
It's worth investigating!
You could fill up a medieval poison ring with Aleppo. Of course, if you get caught it's gonna be: "Lucy, you got some 'splainin' to do!"
Ah, yes another stealthy way to smuggle Aleppo.
You guys are giving me all sorts of spicy, hot, evil ideas.