Chasen are small bamboo whisks used for mixing Japanese powdered tea. They are not meant to last forever: worn-out ones are taken to temples once a burnt and ceremonially burnt there.
A Danish bread whisk is a heavy-duty implement designed to beat heavy dough for bread. It mixes without incorporating air.
A molinillo chocolatero is a stirring tool used in Mexico for making frothy beverages (coffee, chocolate, atole, etc.) They are made of ridged wood, and rubbed between your hands as you would a spinning top.