Improvised Weapons

[Balrog]

Regarding improvised weapons, I do think you can train a state of mind where you are aware of many potential weapons in your environment and have built up the martial skills to use them effectively.
...snip...

Frankly, I'm with Frank on this one. Your brain is the weapon. Your body and anything you can get your hands on are "accessories'.

Agreed. The training is making the brain become aware that anything around you can be used as a weapon. Once you realize that, then how you use it falls into the physical training that you have done.