Kites
The German cortege SkySails bomb developed ship-pulling kites as a supplemental effectiveness source for cargo ships, first tested in January 2008 on the ship MS Beluga Skysails. Trials on this 55 m ship have shown that, in favorable winds, the kite reduces fuel consumption by up to 30%. This system is planned to be in full exchange production late 2008. Kites are available as an auxiliary sail or emergency spinnaker for sailing boats. Self-launching Parafoil kites are attached to the mast.
Some kite fighters pass their strings through a compound of ground glass powder and glue. The resulting strings are very soothing and can sever the competitor's Kites strings extended easily
