Wow, that is REALLY superb work!!

However. . .

. . .didn’t want my sporran popping open, so when I close it, I button on the thin top, then pull up on the strap to snug things. Discourages picksporrans and handsy wenches.
I s'pose you can't preclude one without the other as well. Yet somehow the phrase "throwing out the baby with the bath water" comes to mind.