When you grasp it, your hand will vibrate, which makes it go a fast speed in a short distance, but the rest of your body won't, so it will feel weird. Then, when you let go, your hands will be used to the vibrations, so it will feel weird and itch.
I've noticed this, too. Don't know why it does this. It feels a little weird and is not very pleasant. I don't much care for it.
Harmonic vibration reaction. The tone is just the right frequency to make your hands do this Just like when you tap a good Chrystal wine glass. And it makes our ears ring in return. -- -- --
