The decline of beer has been well documented. But that's left some bars in a bit of a pickle: They have all these taps, but people aren't really drinking what's in them. Enter, the draft cocktail.

If you want to get the look of a perfectly layered cocktail, thinking about density and following these expert tips can help ...

A stainless steel cocktail shaker set Boston Shaker Set ... shaker with a built-in strainer A graduated jigger for accurate pouring An aesthetically pleasing decanter ...