If you hold and drag the handle to the left and keep going outside of the "Slider" component, the handle changes direction and starts going right!
Try on any of the demo pages:
http://react-component.github.io/slider/examples/marks.html
I suggested a fix here: https://github.com/react-component/slider/pull/207
Sorry to make a mistake, and thank you @lavrton
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I suggested a fix here: https://github.com/react-component/slider/pull/207