a frozen beverage freezer machine is provided with two side - by - side freezer cylinders containing different flowable frozen beverage products . draw valves are provided to draw the beverages separately for dispensing separately from the two beverage freezer cylinders . an additional draw valve , generally centered relative to the freezer cylinders , is provided to draw beverages from the two cylinders simultaneously for dispensing a mix of the two beverages . clog breaker blades are coupled to the center draw valve assembly to inhibit clogging of passageways from the frozen beverage cylinders to the center valve , to facilitate reliable flow and mixing of the two beverages when the center valve is opened to dispense the mix into a user &# 39 ; s receiver cup .