“I’m- going- to,” inhales, “AAAAAAAAAHHHHHHH!” Sammie, breath now ceasing, shuts eyes and clinches the harness. No control, she starts slow, goes up, now hurriedly down around upside down. Down down, sudden jerk! Her head whips forth and back again; body sits trapped. She opens her eyes. Dizzy. Everything is spinning. “Well?” “Let’s do it again!”