We've already shown you how to do the four basic punches. But for the small percentage of you who are lefty boxers—like the one Jake Gyllenhaal plays in Southpaw—you'll need to switch up your stance and hand positioning to really land those punches. Luckily Alberto Ortiz, owner of Work Train Fight in New York City, is here to help. In this video, Alberto demos the basics for left-handed fighters.
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