In Japan, McDonald’s straws are specially designed to mimic breastfeeding. Yum.
Thick and creamy, sipping on a McDonald’s shake can instantly bring back those feelings of happy contentedness you felt as a child, and in Japan part of the reason might be that the experience is designed to make you feel like a baby sucking down a meal of breast milk.
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According to a book written by McDonald’s Japan founder Den Fujita (Den Fujita’s Business Strategies 2: Overwhelming Business Strategies):
When humans drink something, the speed that produces the most delicious feeling is the speed at which babies nurse…McDonald’s straws are designed so that when used with a shake, the speed will be the same as that of an infant drinking breast milk.