My main carry is a Modded Leatherman Crunch, but I love my little Victorinox Signature Lite too - it goes everywhere with me on my keychain.
I was worried about it getting increasingly scratched from hanging around with my keys and also I worried about dropping the key bunch and cracking the scales on the knife.
Victorinox make a pouch but it's faux leather and hate that stuff.
None of the normal suppliers make a pouch small enough (none that I've found anyway).
So, 1/2 hour playing with some bits from my Velcro bag and I think I've cracked it.
See the photos for the design. The best bit is that the only tools I needed to make it were the scissors on the Signature Lite
Well. it may be of interest to someone???