Austronesian sail types are typically fore-and-aft with spars along one or more edges and include a triangular variant with spars on the upper and lower edges, informally called a crab claw sail. They
1846 illustration of a Fijian camakau, a single-outrigger canoe with a canted mast "crane sprit"-type crab claw sail
Hokule'a in 2009, with crab claw sails where the upper spars also function as fixed masts
Crab claw sail being constructed for Hot Buoys trimaran. Notice pocket in right hand edge of sail to hold spar. Second spar in this particular configuration is not required since a bolt-rope holds the sail's upper edge and the mast is located in the back of the sailboat. Note lack of shaping.
"Crane sprit" type crab claw rig of the Philippines with a fixed mast
Camakau are a traditional watercraft of Fiji. Part of the broader Austronesian tradition, they are similar to catamarans, outrigger canoes, or smaller versions of the drua, but are larger than a takia