before the next day's big jump. skydiving cameraman, brian scott, tapes the practice session. the skydivers will use the tape later to analyze the jump. >> canopy formation is multiple parachuters flying in formation. he will put a foot in the line and hold that parachute while someone else holds up the formation and you will form a diamond of parachutes. >> it's a risky jump. >> canopy formation is a very fragile formation. >> the idea of someone grabbing ahold of your parachute scares experienced jumpers even more than new jumpers. because if they get all tangled up in your parachute, it's done. you can't land. >> he knows even the smallest miss cue can be a disaster.