If you are handy with leather and have the punch and some good thread,
make your own.

Otherwise I'd look for knife safes/sheaths:

http://www.cutleryandmore.com/lamson...m?FamilyBD=106
or
http://tinyurl.com/bc68p

for example. I've used them since I bought my most recent blades, and
they are wonderful, if a bit bulky.

maxine in ri