Im not sure if this is real but on a website i found this

Once youve done this, youll have to find bottles of Vodka for Nikolai and these are located in random places and its a task that requires one of your teammates. This is because once youve located the vodka, one will have to break the ice, and the teammate will have to catch the bottle of vodka below without it smashing. Youll know when youve done it right, and if youve smashed it there are a few bottles scattered, so dont worry if you break it the first time.
After this, youll then be asked to find a golden rod for Richtofen, which is proving to be the most difficult task for gamers. We can tell you that the golden rod Richtofen is referring to is hidden near the start of the map, behind a wall in the cave. Youll then need to shoot this wall with the upgraded V-R11, although weve heard it also works with an upgraded Ray Gun.

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