can some won tell me how to get the tools of the trade dog tag (the one with the 4 guns )do u have to do it in one life or can u do it over multiple lives in the games

Get at least 3 kills with 4 different weapons.
Everytime you kill a guy, take his gun and shoot someone else with it, repeat.

I tried I'll try again but y 4 guns idk

na still cant