Regenerative braking on icy downhills how effective is it really?

[Trackflare]

If you've ever found yourself navigating a slippery slope, you might have wondered just how much regen braking can help, or if it might actually throw your tires off balance. Perhaps you've given it a shot yourself, or maybe you're just curious about the whole thing. Feel free to share your experiences with regen braking on those slick descents!