Work Smart
The poles in the subway are there for support when the commuters are standing and can brace themselves on sudden impact. It looks like the lady in the picture seems to be against using these poles, maybe for fear of germs or the fact that she was just feeling creative?
She must have been traveling with a toilet plunger and put two and two together and started using it as a tool to hold on to. We have to admit the idea is genius because of the suction created, would provide great balance.