I'd be interested to see how shock proof they are, along with how well they stand up to fatigue. I'm assuming they are silicon flappy-bits, which tend to be fai

I'd be interested to see how shock proof they are, along with how well they stand up to fatigue. I'm assuming they are silicon flappy-bits, which tend to be fairly hard but fragile. However there are watch people using silicon as balance replacement, so perhaps its more robust than I thought.