Goose, wanna start my post by saying... Very Nice! (Borat voice) I haven't seen some of your more recent work and it's damn impressive.
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Pete,
Welcome the the forum! And greetings from another Arizonan too. For me I'm always considering "options" with carry so you almost never get "just a sheath and a Tek-Lok" when I'm done but I'll put some pics of my Kydex work here. Pretty straight forward.... Kydex and all the bells and whistles as far as "background" goes.
BK2 w/ESEE-Molle Back, Firesteel Holder and ESEE-Acc. Pouch:
The Molle-back can be used to "pimp" a sheath just fine but to be honest my sheath options blow it away (Danglers, Belt-Loops etc.)..... it is very useful in attaching to molle webbing though. Also consider that in one setup like this you can have alot of ground covered as far as gear goes, in that picture: navigation, fire and tinder are already covered before you even get into the tin area.... add some cordage to the exterior, etc....?
BK2 w/ESEE-Acc. Pouch, Firesteel Holder and my drop adapter for the Tek-Lok (pat. pend):
That knife also has blue liners that I forgot to "showcase" in those pics but I'll let the owner show them off
This really is the best of both worlds and I can set the pommel height anywhere in relation to your belt-line... so it's out of the way and snaps on and off quickly. I've got a 3pc setup for this I'll post later and all I can say is that it's "pretty awesome"..... and gives you every option possible.
BK2 Pouch-Sheath (my design): (BK7 also shown)
This is a pretty basic setup I make alot and this one will be pack-mounted so the only thing not shown in the pics is the addition of a pair of Molle-Loks.
Now I'm getting to my favorite setups..... 2x knife combos.. this is how I carry my gear.
BK7/BK14 Pouch-Sheath Piggyback w/Dangler Belt-Loop:
BK7/BK14 Piggyback sheath setup with Dangler:
BK9/BK14 Pouch-Sheath Piggyback setup for Baldric Sling Carry:
Here's a Baldric Sling setup I made for a Mora Bushcraft Tri-Flex for reference:
There's another ring for attachment behind the sheath (not shown) and it can be mounted in three different positions... the one you can see can be mounted anywhere along the side of the sheath.
I like a firesteel holder but there's nothing more practical than a bic lighter mounted to a sheath... sometimes you just gotta light something on fire NOW!

Haven't seen any other sheathmakers doing this and I just think it's kewl.
56K... sorry
That should give you some groundwork for sheath options and I hope this helps.
Eli