and found out that I could purchase one there. Now, for those that have never seen such a gadget, this is how it works.
You start with a Guinness and another "beer" (actually you can use cider or champagne as well but I'll get to that later).
Pour the "lighter" beer between 2 glasses, and place the spoon (note the bend in said spoon) on the edge of a glass.
Pour the Guinness over the back of the spoon, so the Guinness "fans" out over the other beer and causes the Guinness to stay separate.
That is called a Black and Tan. These aren't the best I've made but I just got this spoon and it's a little different.
Guinness and Harp = Half and Half
Guinness and champagne = Black Velvet
Guinness and cider = Snakebite
This last part is for Apl, the Margarita's ingredients are Tequila, Corona, limeade concentrate, and Triple Sec (and ice) use a Coronita (small Corona) and equal parts limeade and Tequila and just a shot of Triple Sec.