Ali’i Feather Cape Posted on August 28, 2012 by Michael 'Ahu'ula Feather Cloak at Bishop Museum, Honolulu Finally I have seen it myself @ Bishop museum, the famous Hawai’ian museum in the heart of Honolulu on O’ahu: The feather capes, woven from hundreds of thousands of O’o and I’iwi bird feathers for the highest of the Ali’i only.