I like Fällkniven's original Kydex sheaths. They're very well made and designed, so if they suit your style of carrying I don't think a custom sheath would add much.
They are, as it seems to me,
primarily intended as alternatives for the ordinary leather/cordura sheaths and not as some kind of "multi-carry system" (although it's been mentioned that the knives are secure even if you carry the sheaths upside down!), even though they can be adapted for such use.
If you want to carry in a way they aren't intended for, then you'll need a custom sheath irregardless of how good the Fällkniven sheaths are, won't you, so I guess in that case you wouldn't need to ask? If this assumption is true: Go with the Fällkniven sheaths.
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Urban Fredriksson
www.canit.se/%7Egriffon/
Some Swedish Chrismas traditions:
1. At 3 o'clock on Christmas Eve (Dec 25:th is hardly a
special day here) almost every one watches one hour of Disney
cartoons on the public service TV network, even though it's
been practically no changes in the content the last four
decades. The "highlight" is when the original Swedish
presenter sings along with Benjamin Cricket at the end.
2. Coca Cola usually has around 60% of the market in Sweden,
but around Christmas it drops to about half, as Swedes then
drink "julmust" instead.