re: In sepaku, do you need to go left to right, or right to left, or does it matter?

quote:

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History.com says “ In early Japanese warfare, defeated samurai would literally plunge a short sword into their left abdomen, slice across to the right, and pull upward to prove their bravery and ensure a fatal wound. This was a raw, gruesome act done without assistance, often leaving the warrior to bleed out over hours.” It evolved over the centuries to be quicker.

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I believe you can now have someone standing by to behead you after you have sliced yourself open.