Yeah thanks.
The first video I watched about this kind of thing actually did talk about the same thing. The lesson of not treating the baseball bat as if you're trying to hit a home run in a baseball game.
It's really really hard, in my opinion, to truly evaluate whether a certain teacher has truly good techniques or not. At least with kendo and other forms of fencing, there are schools and competitions for them. And they have a rich history. But with baseball bats... It's tricky as hell. It's not like we get issued a baseball when joining the military or something. Heck, gun combat probably has better teaching methodologies.
Yes try to avoid using the the two handed swing, / power swing.
I cannot remember the number of bats, gold clubs, tire irons and other items I took from people who thought they were in sport shape and knew how to use their tool.
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Carry it around one handed.
Choke up on it so it feels a little bit better.
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Use the tip to turn on and off the lights switches. Then use the handle as well while in the same grip.
Use it to close the fridge. Make it an extension of your movements and actions.
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if you can understand the placement here in these day to day tasks, and make it your own, then in a situation of having to use it you will feel more comfortable and will not get hung up on the lamps and walls and the corners.
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Also if you carry it in a vehicle and do not have a legitimate reason , going to or from batting cage, or softball or .. , then it is what you are using it for, a weapon. Not just an improvised device in self defense. Check your local laws for force escalation.
Also for castle doctrine and if you have to retreat, for if that is the case, then using it in your own house is not much different legally than a firearm. Back to force escalation, it usually is considered enough of a force multiplier that it construes deadly force. Which means the opponent can reply in kind with deadly force. including deploying firearms.
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Note: Not a lawyer, nor LEO. Not meant as actual legal advice, it is based to get one who reads this, to do their own homework for their local area on laws for self defense and to make them aware.
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Good luck and best wishes