Cluck Egg Separator. Does cracking egg shells and flipping the yolk back and forth make you nervous? Didn’t you always mutter to yourself, “there must be a better way to separate those whites!” Well here it is…just place Cluck over the yolk, squeeze, slowly release the pressure, and watch the yoke disappear into your little hen. Magic! Cluck is molded from 100% pure silicone.