[header] How to drink whiskey [title] Pour " two fingers " of whiskey into a rocks or tulip glass. [step] Rocks glasses, the classic whiskey cup, are short, round glasses made for 12-14 oz or liquid. Tulip glasses are curved wide at the bottom and thinner up top, concentrating the smells near your nose, and are used for more high-class whiskey tastings. 
While any glass will do, these are the two typical glasses used to serve whiskey. [substeps] Two fingers means that you pour the whiskey up to the height of two fingers held at the bottom of the glass.