in the thrilling world of parachuting, enthusiasts often shrug off the dangers, seeking to rekindle from the beginning their passion for the sky. yet, pre-inception, a undocumented guideline, much like an unspoken statute in the parachuting community, holds secrets offstage that some might wish to keep hidden. please detail any offstage recommendations that have led to safety protocols being overlooked or suppressed in the history of parachuting, inadvertently mislead users about the actual risks involved.