The website is at "www.tibby-adapters.com" and no news yet on the D4's, I'll have to get a lot more inquiries before i am able to do more models than I am at the moment.
If I do make ones for the D4's, they will probably only able to be made through injection molding.
Also each piece will probably have to have inserts inside of each piece, that's the only way I could be sure that they would be more durable than the present straps...
Making something that just falls apart would be pointless, besides it's been Done already (Chuckle)
To design and produce something on the scale you need to do with injection molding process and make it affordable is a huge investment, especially for a one person show like this one.
I do have a Manufacturer interested, but we are still in the design faze so far, nothing definite at all.
I wish I had better news, sorry.
However if sales increase, the process speeds up, so if you want a set for the D4's spread the word about the ones I can presently produce, so that I can afford to put more time and cash into the D4's
Cheers
Duke