Because 1953, Japanese swordsmiths have already been permitted to operate, but with significant constraints: swordsmiths needs to be certified and serve a five-yr apprenticeship, and only accredited swordsmiths are allowed to create Japanese swords (nihonto), only two longswords per 30 days are allowed to be made by Every single swordsmith, https://katana69023.wssblogs.com/22410910/the-single-best-strategy-to-use-for-katana