You can perfectly make ayran with the most common kitchen tools, like a spoon, a whisker or just a jar with a lid (and then shake it like a cocktail).  On the more “gadgety” side, you can mix the ayran ingredients with a battery operated milk foamer or a blender. My favorite choice is using a blender: almost everyone has one and you can mix everything together from the beginning (plus, you get some foam on top). If you mix the ayran with a spoon or a whisker, the trick to get a smooth consistency is to first whisk the yogurt until creamy (it takes just a couple of seconds) and then gradually add the water.