AirDesign SUSI 4 Manuel D'instructions page 44

Features:
Lightweight construction
NITINOL wires at nose – unbendable and unbreakable
BC-control with AD-toggles – giving perfect control during flight
Vortex Holes
3D-Cut
Mini-Ribs
Razor-Edge
Race Lines
Weight optimized Risers
50/50 weight reduced Inner bag
43