To View The Sky – Kusanku No Sai – 公相君のサイ Although our dojo 道場 is in 106 White Building, Karate 空手 can be done anywhere, day or night. Kusanku No Sai was created by Tatsuo Shimabuku 島袋 龍夫. He adapted the Kusanku kata, learned from Chotoku Kyan 喜屋武 朝徳, for use with sai.