The more you write about your concept, the more intrigued I get.
You don't have to be on stilts for this. And you definitely don't have to go the Chewbacca method for your fur. Essentially, if your kit looks like it belongs on the set of a Star Wars movie, that's what we're looking for. If you can achieve that with with faux fur and longer fur-looking extensions, then all well and good. Heck, if you can take an old shag carpet and make
it look realistic, then great. I mean, Star Wars prop building and costuming is all about repurposing things, right? If the end result looks great on camera, fits the CRLs, and looks "Swarzy," then awesome.
You clearly have some experience as a costumer and that'll stand you in good stead in putting together a Mandalorian kit. Just keep updating your WiP regularly and we'll be happy to work with you. And if something is definitely not going to work, we'll let you know as soon as we can so that you don't spend time, effort, and money on something that's not going to pan out; instead, you'll be able to try a different tack.
And I was hoping that the artwork would help you not only with the concept, but with plans for the actual build itself. I have quite a bit more, but those are pretty fair samples. If you'd like me to send you more, drop me a PM and I'll shoot them over to you.
Happy building, vod, and I'll be watching this with a great deal of interest.