Because your body is more active, it lifts your mood. I could certainly imagine that it helps your voice carry better.
When I go shopping, for example the floors are hard and my feet get tired quickly. That makes my foot hard to control. Wearing these shoes, I can walk without the constant impact on my foot.
I too discovered the awesome kybun shoes – after years of searching for good shoes. I found them through Mr Jürgen Zeller. In 2009 I underwent a knee disarticulation on my right leg. Since then, I’ve been doing lots of sports, and I have to say that the kybun shoe has been a real ASSET to my (Genium) prosthesis!