My friend Ted B. informed me of a movie which had 3 knife fight scenes all of which featured the knife in reverse grip! Given many movies with the knifefighters weilding the knives in standard grip aka hammer grip, I had to check out the movie!
I Am Wrath (2016) is an action thriller film directed by and written by Yvan Gauthier/Paul Sloan. Justin Yu is the Fight Coordinator. John Travolta headlines the movie and Christopher Meloni co-stars. My guess is that Justin Yu was the one responsible for the reverse grip showcase.
Enjoy this first GIF set of Christopher Meloni's fight scene in "I Am Wrath (2016)"!
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