Ghost Goblets -- hollow goblet liners inside tumblers

These "Ghost Goblets" ($75 for 4 at Cocktail Vibe) achieve a nice effect with a double-chambered tumbler in which the inner chamber is shaped like a traditional goblet. You could really go to town with this idea, making the inner chamber resemble pretty much anything -- I'm thinking of a giraffe... Link (via OhGizmo)