1988 First Double Harness In 1988,   After the popularity of multiple passenger flights utilizing the Gondola.  Parasail canopy manufacturers  modified the riser support straps with an additional set of D-rings to attach two parasailor’s (one in front of the other) While the concept worked, safety soon became an issue from flight deck injuries on landing to numerous fatalities by drowning in emergency waters during high winds and rough sea conditions previous next