These are suited to the competition event known as doubling. Fastcatch boomerangs are often used. Flaps might resemble flaps or spoilers on an airplane wing. Tossers flap booms to keep them from flying away in the wind, or to reduce spin for easier catching. Developed by California's Team Gel .
Hooks generally have the greatest potential as long-distance boomerangs.
This throw is used to counter moderate winds, say Beaufort 3-5. The flight is characterized by an initial climb, a drop during most of the turning phase, and a slight climb on the return leg. Also known as a throwstick or killing stick. Kylies are NOT boomerangs, and boomerangs are not kylies. Also refers to a boomerang of same construction.