Why am I not surprised that a Jedi Grandma would keep her lightsaber in her bra? Jedi Grandma is one bad MF’er and if you mess with her, she won’t be cutting a switch, she’ll just be cutting you in half!
Watch what happens when two douchebag teens won’t turn down their douchestep… oops, I mean dubstep music at the request of a kindly old lady. The end result is a better society and a couple of nearly re-circumcised teens. This force is definitely strong in this old lady… you’d better be sure to stay the hell off her lawn!