The Japan Karatedo Federation has revised its guidelines to allow the use of "kiai" shouts in the kumite sparring discipline if competitors wear a protective face shield as a measure to prevent the spread of the coronavirus.The shield completely covers the wearer's mouth and is attached to a head guard similar to those worn by boxers and mixed martial arts fighters."I hope it becomes a model for fighting sports which have been struggling to hold events. It can also be useful as a reference for infection countermeasures at the Tokyo Olympics," said Yoshihiro Sasakawa, vice president of the f…READ FULL ARTICLE