As a flatlander, the thing that always gets me about switchbacks is that my sense of balance is thrown off because of the somewhat steep approach descent angles. Your sensations of weight on the bars / saddle will be different, and your inner ear might need recalibrating as you are leaning waaaay over and turning sharply.

Closest thing I can do to reproduce that on flat ground is to hit a parking lot and do slow / medium speed turns, leaning waaay over and in an exaggerated body posture, turn radius maybe 20 feet or so, like the inside line of a switchback.