Note: Short video of the magical deliciousness after the jump.
How can a bartender pour a set of multi-colored shots from the same shaker? SPOILER: it's called layering, and you can float one drink on top of another provided the specific gravity of the bottom is higher than the top (and you pour carefully). Yep, not to brag but I do pretty much know everything there is to know about the alcohols. Including, and not just limited to: I start feeling sick if my BAC falls below 0.20.
Yell cheers and hit the jump for some hot rainbow pouring action.