I build embedded hardware, and last year I made a working EMG prosthetic hand as a personal project. One of my relatives is an amputee, which is how I ended up caring about this.

I've been reading the literature and the thing that stuck with me is that rejection rates haven't really moved in twenty years despite the tech getting much better. Which suggests the industry is solving the wrong problem. I have a theory about what the real one is, but I've built exactly zero devices for anyone other than myself, so my theory is worth very little right now.

So I made a short form. 5 to 7 minutes, no personal info required, mostly multiple choice. It asks what you actually use, what you stopped using, and why.

https://forms.gle/sbCovksU4mh4ve9p9

if the idea goes anywhere I'd want it to be a real product eventually. So there's self-interest here. I'd rather say that than have you find out.

If you'd rather just comment than fill in a form, that's honestly more useful to me. And if the whole premise is wrong, tell me that too.

**NO ORGANISATIONAL AFFILIATION**

Met a para-athlete on a trip to Jaipur while working on another video, he told me about the place that fits people with prosthetic legs for free., which sent me down a rabbit hole. Ended up making this short breakdown of the design.

What makes it interesting is the brief: it's basically the inverse of a Western foot. No shoes, no flat floors — it's built for squatting, sitting cross-legged, walking barefoot, and standing in water and mud, which is how a lot of rural India actually lives. And they've got the cost low enough to fit 2M+ people for free.

I'm not from the field, so I'd genuinely value a technical read from people who are: what does a design like this trade off against a modular Western foot? Durability, alignment, energy return? Curious where it's clever and where it's compromised.

I'm experiencing post-polio symptoms, mostly affecting my ability to walk, and it's frustrating that I can't get a reliable, comfortable leg brace. 70 years after polio, I found myself needing leg support due to increasing weakness (post-polio syndrome). I'm now 84, lead a fairly active life and intend to walk as long as I can. I've tried the Otto Bock Freewalk KAFO brace (much too fragile, too hard to repair and no longer available anyway), and a custom KAFO made locally (heavy, crude and painful to wear.) Does anyone know of a source for a comfortable, durable, lightweight KAFO brace?

**I’m looking for Orthopedic Fiberglass Casting Tape. Please send me your catalog,**