Foil boards with minimal volume (built like a twin tip) - Kiteforum.com
spleene foil.JPG Bidirectional foils on a twin tip kite board. i.e. a foiling, shunting proa, powered by a kite. Th… (With images) | Kite surfing, Surfing, Wakeboarding
foil attached to twintip - Kiteforum.com
why foil boards are just a fad | Kitesurfing Forums, page 1
Ierofoil is the first adaptable kitefoil on a twintip board.
What is a kitesurf foil? - Backside Kiteshop & SUP
CR:X Neilpryde One-Design Hydrofoil Twintip Package | King of Watersports