HOW TO
-find a perk machine except jugs
-then get hit by the crawler once
-buy the perk
-as you are drinking it get hit and downed
-get revived you should have no gun
-buy box or a gun off the wall
had no perks, got a zombie to hit me once, then drank quick revive, and while i was drinking it.....he hit me and i died then when i was down i still had my pistol......my friend revived me and i only had my 2 original gun.......did this 2 times