However, in fact unlike today it was difficult to build a nationwide organization, and several cases could be found in which someone that learned in Edo instructed in his hometown without getting permission to instruct.
ただ実際は現代と違い全国的な組織を作ることが困難であり、江戸で学んだ者が特に指導許可を得ずに故郷で指導した例も見られた。