First becoming popular during the 1950s, popcorn cottage ceilings managed to remain prevalent till 1980s. It was mainly due to the early formulations of paint which contained white asbestos but later, the formula was changed and hence, popcorn cottage ceilings became a thing of the past. However, there are certain homes where you can still find the same bumpy ceilings and as it turns out, Aaron Rollins was facing the same issue. Though, he found a perfect solution for it.
You can try it too. Just scroll down to know the technique he used.
.. duct tape, vacuum cleaner and 6-inch spackle knife.