Discord (and other "out of the game" program) kill this stuff, sadly. If team need radio for comunication, we can intercept the signal and spy... Cool thing, but...

If you look a pen like a pen, maybe. But, if you look a pen like a system for making map marker, create strategy and message for team mate, then...

When a player lock a door with the lockpick, the only way to open the door is another lockpick. But, since the crowbar exists, why not put an option to force the locked door with it?

Why not a pencil? We can combine with the map for marking point of interest or with the paper for write note and we can sharpen with a knife to use it.