Judo Etiquette
In a traditional Judo Dojo you have to be accepted as a student by the instructor first and foremost. Your first contact with the Sensei might come as a great shock to you. You must understand the fundamental difference between a commercial school and a Dojo. The truth is that you have come to him for instruction, he has not come to you. The source of the conflict that it is the Sensei's Dojo and as the instructor, he runs his Dojo by his rules.