This is what I was looking for! Thank you!

I’m not a game developer but it feels a little late for that

Walk around barefoot and you’ll get calluses similar to what you want. The more shoes you wear, the fewer calluses you’ll get.

Yes. He can order the military (seal team 6 or something) to put a bullet in his face. That’s a presidential action. Whoever does it though could be charged. The president could then pardon (another presidential action) everyone involved.

After Nixon resigned, he was pardoned before he was even charged so…

There are finger print locks for doors available commercially too