[bombcar]

Get it tattooed on a (normally not seen) part of your body. Like under your hair! ;)

Of course, a code like that can be in multiple places, possibly where it won’t be recognized as such.

[alistairSH]

And pray you never need to update the passcode!

I'm imagining this spiraled around somebody's upper thigh... "fakePassw0rdo̶n̶e̶t̶w̶o̶t̶h̶r̶e̶e̶four"