The apex is a wringer washer with the "spiral dasher", unusual that the agitator is shaped like a curved valentine heart. The silk line or gentle was at the bottom of the V, cotton sturdy was the top fill at the wide part of the V shaped agitator. I did not see it work but neighbors had and old one in a shed. With the wide part of the V. at the top, it would would be one you would want to stop the agitator before you reach in. alr2903