The Pearl Diver is considered one of the most storied and unique tiki drinks; invented by one of the founders of tiki, the unique recipe (which includes butter, sugar, and spices) isn't easy to make. All the more reason to give it the glass it deserves. This pair, with their ribbed stems and wide bows, are the ideal conveyance — so much so, in fact, that this style of glass was actually invented for the Pearl Diver, specifically.