Knuckle dusters are concealable and can be carried in the pocket as opposed to the other mentioned weapons that would be more visible. . .
Additionally being caught with them in your possession is a bad connotation. If need to carry something to protect you or make you feel more secure, Carry a new roll of coins such as a roll of dime or nickles. .
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.