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Dr. Kang did explain his techniques on this forum in the past. Not in every minute detail, but he said what he does.
Based on my understanding of what he wrote:
For an indirect hernia, it’s a Marcy variant. He has his own way of stitching the internal ring, and he has gone through many tweaks of that, but we know what he does in principle.
For a direct hernia, it sounds like a partial Shouldice-type repair where he reconstructs only the direct area, and leaves the internal ring area alone.