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Koga shows how he dominates gripping against a right handed opponent. This also works left v left.
Toshihiko Koga shows a standard gripping for a right handed player against a left handed opponent. This also works left v right.
See how Koga gains the upper hand when grip fighting against a left handed opponent
Koga demonstrates Uchi komi for Seoi nage. Repeated Uchi komi is essential for mastering this technique