I saw that PDF. It looks like they're intended as trainer snow kites. The only thing they don't come with is a board.
"I gave up on wind speeds... its either crappy, gravy, epic, or stupid... in that order"
--Drewculous
Ozone: Imp III Quattro 1m and 1.5m, Flow 2m, 3m, 4m, and 5m.
NAPKA# US454