Tyson broke his hand because he beat the shyt out of pcp'ed up elite level boxer with a great chin.
Them tai kwon doe punches are telegraphed to hell and any decent amateur would slip it, let alone a world class boxer lol
5'6 135lbs bruce lee is not putting the beats on a world class fighter
he fought world class fighters before, and they vouch for him
he's punching correctly and with power in that clip, you don't know what your talking about, just because he's not hitting the bag like a boxer
Mike Tyson broke his hand because the way boxer's punch is unnatural, I know because I box and know karate it's difference
you need to know how box, because of angles, which is why bruce lee startd boxing, because wing chun has to many opens in his guard from angles that a boxer would punch from
If you see a boxer's break, or fracture is, its because of the way you punch, that causes the break
with the vertical fist you won't have that problem