for example enter "2" and then pick an ingredient from the select menu to scale the drink to 2 ounces of it
Shake with ice, then serve Neat in a Cocktail/Martini/Margarita Glass
Notes: by David Wondrich
http://www.esquire.com/features/drinking/sour-cocktail-0912
mix the juice and sugar first, then add rye and shake; decant, then float wine on top