Guide to Better Gybing

"Guide to Better Gybing" Yes, it's classic stuff from 1989 , Proffesional windsurfers gives hint's and explaining, how to better gybe. And also explained common mistakes when doing that and how to avoid it !
A movie from Robert Masters (the best windsurfing movies producer of all time) . In this movie is almost all top windsurfers in 90's.
The windsurfers:
Alex Aguera
Randy Ames
Mark Angulo
Kelby Anno (Bruno)
Tina Baylis
Beik Benson
Stephan Van Den Berg
Tim Berkstresser
Anders Bringdal
Peter Cabrinha
Alan Cadiz
Brian Caseiro
Angela Cochran
Pat Corelli
Paul Coutts
Dana Dawes
Dave Deisinger
Brad Duffy
Björn Dunkerbeck
Anick Graveline
Fred Haywood
Trevor Hunte
Cort Larned
Jay Laswell
Nathalie Le Lievre
Kit Low
Tom Luedecke
Tim McGain
Maui Meyer
Robbie Naish
Axel Ohm
Tom Pace
Mark Pederson
Bruce Pederson
Chris Radkowski
Rush Randle
David Ross
Dave Russell
Raphael Salles
Nevin Sayre
Matt Schweizer
Rhonda-Smith Sanchez
Steve Sylvester
Robert Territheau
Scott Trudon
Mike Waltze
Greg Willis
Steve Willrich
Ken Winner
Bruce Wylie