Quote Originally Posted by Dragonfly5338
I would assume because the whole concept of a plunger relies on forming a vaccuum... and you wouldn't be able to get a seal using a toilet plunger on a sink? I could be wrong though, you might be able to depending on the design of the plunger..... but I know for damn sure they aren't using my plunger on a sink full of puke.

You put the drain stopper in the other side of the sink and the plunger in the side you want to unclog