Grandma Jennie's Trick For Opening Unopenable Bottles

Grandma Jennie's trick for opening small, unopenable bottles that noone else could open? "Easy," she would grin, grasping the bottle cover with her trusty and everpresent nutcracker, giving it a twist, and, voilà! There she had the bottle cover off of the bottle. "Easy," she would repeat, grinning even more broadly, seeing the surprise her audience exhibited at her success!