Through her SCA, the Star Gazer sent a text - an animated GIF of a stick figure doing a spittake.

Fortunately, the commenters apologized for their more... enthusiastic comments.

The safety orientation proceeded apace; what signals they'd need to use to indicate turns, what each 'color' meant (that the independent-fliers would receive as part of a broadcast for the length of their flight - whether they were getting too close to another path, etc.), and that it was okay to abort a flight early if they found themselves getting tired. Even the pros could wear themselves out!

... That wasn't intended to be a double-entendre, but some of the attendees laughed among themselves anyway.