Agreed!Nah it's a Hung Fist. lol.. I'm pretty sure of it. lol.
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Just giving you a hard time because I know we use the same fist. This is also a Isshinryu fist as well. Sometimes 2 things are the same thing with a different name.
Bill the only reason you are cool with me is because you use this fist lol. I think we are the only 2 out of this forum who uses this fist structure.
This sounds like a linear punch. We use the same knuckles that you describe with the same fist, but only with linear punches. In Hung Ga, Choy Li Fut, and Jow Ga and some other circular systems. This fist uses 5 strike surfaces.
1. The frist knuckles, The one that you described for linear punches
2. The second knuckles, The ones' I circled.
3. The base of the fist (the one you described for hammer fists)
4. The total surface of the palm and the knuckle
5. The thumb.
I can flow in and out of linear strikes, hammer fists, and hit with various sides of the fist without changing structure. For me personally, I think this is a better fist than the common fist that most people simply because of all of the options for striking.
We may not use the same punches you do, but we can and do use the above diagrammed surfaces to strike with. As you said, the top two knuckles are for linear punches.