Sumo wrestling is a Japanese sport that, in its current form, dates back to the 16th century. Steeped in history and tradition, the sport is highly ritualistic and parts are often associated with Shintoism. However, just because it’s old doesn’t mean it lacks a sense of humor. In fact, there is an entire ritual called Shokkiri (初切 or 初っ切り) dedicated to making crowds la.....