Well, I've done a lot of stuff.
Grandpa did refrigeration, which was a back art at the time.
Dad owned two "foreign auto" repair shops.
He was also a firearms instructor, so I've been exposed to all that.
I've done a lot of mechanical work, design and manufacturing etc.
I've got a couple patents at a former employer.
I've made full-splice pool cues.
I had a custom guitar company, with a partner.
I repair watches.
I used to build models and of course, LEGOs.
I like my bourbon.
Maybe I can contribute something here...