Advertisement CAN invite trouble. I wouldn't go bragging because people will test you.
Don't take this the wrong way, but I think you are a little too-affeared of things that maybe you shouldn't be.
I mean, your house sounds like a booby trap!!
I wear my schools martial arts t-shirts and it invites conversation sometimes, sometimes challenges or bravado. It does give me the chance to practice my de-escalation skills on ocassion.
"What's...GO..Jo crotty?"
huh? Oh, I bought this at a garage sale.
"Do you do that krotty stuff?"
I try to, but I found I'm more of a danger to myself than anyone else?
"Think you can whoop my a$$?"
Can I tie you up first?
"Whut belt are ya?"
I wear a crimson rainbow.
""Hey, can I come watch?"
Absolutely!