Active Bridle is designed by Andy Wardley. He has extensive documentation on his web page . Implementation of Active Bridle for Raaseri was made by Mike Emery . Raaseri Freestyle Activated is variation of the Raaseri. Another pair of standoffs were added to give smoother floats in Axel and Flat Spin type of movements, red in the drawing.
Standoffs have equal lenght.
Active Bridle gives some extra dynamics in trick flying. Active Bridle For construction and tuning tips see Andy Wardley's page and Mike Emery's article Raaseri Bridle Types .