Crab-Sails On Other Sailboats
"Rapa Nui" is a 51-ft catamaran designed by James Wharram and owned by Hans Kaar.
Shell Boats of Vermont USA offers a kit or completed 21-ft catamaran.
"Hot Buoys" is a 65-ft trimaran with a Mast aft rig supported crab-claw sail. Video in external links.
"Epicure" is a 47-ft cruising proa designed, and built by Daniel Charles. It was launched in 2010 and has a few luxuries not common in traditional Polynesian crafts including a washing machine/dryer and dishwasher
Read more about this topic: Crab Claw Sail