If you don’t want a part of your body to get sore, then that part shouldn’t be pushing against something that doesn’t move along with it. That’s the thinking behind the vabsRider bicycle saddle, the two sides of which pivot in time with your pedaling.
Hooray. I’ve been looking to add a few more points of maintenance and failure to my bike.
I think these things are pretty well made, they don’t appear to be cheap Chinese tat, but I’d want to confirm that before I was prepared to even consider buying one.