Try this Garnishes for Drinks recipe, or contribute your own.
To frost glasses: Dip glasses into water, and while still dripping wet, place them in the freezer of the refrigerator. Leave them at least 2 or 3 hours. Sugar Frosted Glasses: (for fruit drinks) Moisten top of glass and rim area with a wedge of lemon, lime or orange. Just rub it along the glass edge, then dip in superfine sugar & place in freezer for a few hours. Moistener could be grenadine syrup. Salt Frosted Glasses: (for vegetable drinks) Use salt along the rim area. compiled from a variety of sources.