Thanks for all the help!
I am getting a custom one made from Etsy, I'll share linkage once the deal is sealed because she isn't taking on anyone else

But it's everything I want in a bag, style wise, all of it, and with an adjustable strap so I can have the length I want when slinging or shorter for other times. I can not wait to receive it!!! We are still discussing the coordinating fabrics at the moment. Ill post pictures once I receive a finished photo or it arrives which won't be until the end of May. I'm just skimming in here on the seat of my pants!