Thinking about it, all I need is a screw that would replace the current screw that can be turned by hand, I don't think I would need a different plate. Perhaps they exist already - it probably wouldn't look much different to the pod mount. Wouldn't that work?
A PodMount with two split keys on it may work, one for each side of the strap.
The trouble you run into is that, if the two strap mount points get too close, the Camera Dangle Factor goes super high. How about I throw a PM on one of our cameras and give it a test to tell you how it might work?
Sorry if I am trying to make it sound simpler then it is, I won't pretend to even understand how hard the process is.
Honestly, none of this stuff is hard after you've made a few different parts and have the backing of good suppliers like we do. It is really a question of resource allocation - is it worth the commitment to going through all the design, test and production rigamarole for how many people will actually use the widget?
In the long term, the real answer is to lower the bar required to make a Luma quality part. That's why we made everything modular - we can make super specialty widgets and connectors without having to figure out how it fits into a single product strategy. That is also why we are getting a CNC mill to do our own prototypes and low volume production; I would *love* to be able to take a suggestion such as yours, mill out a prototype or two in a couple of days and put 20 of them in stock on the website. If The People like them, we can move into higher volume methods. If they are a specialty niche, it doesn't cost a tremendous amount of resources to serve folks with that need. Everybody wins!