Kaio (OzW) collects the kensho...
Sponsormoney is a nice bonus for the winning rikishi. A little extra cash is added by sponsors for having their logo carried around the arena while the rikishi are warming up. Each kensho envelope contains 60.000 yen, 30.000 for the Sumo Association, and 30.000 for the winner. It's all in a day's work...