Lim Sungmook, Im Minwoong, Kim Jinuk
When we designed "Temperance Glass", we focus on the meaning of "과유불급"(Too much is as bad as too little) which is one of the famous Korean idiom.
So, we cut out the pointing finger shape in the glass(Drinking cup). It's first function is "Information" that pour the alcohol moderately. And second is it physically draining away.