Genius Two-Part Saddle moves as you bicycle to let you go long distances without soreness - Yanko Design
Briefly

The solution is to prevent the body part from being pushed against a stationary support surface. How do you do that? With a movable saddle mechanism that doesn't strain your butts.
The solution is the vabsRider bicycle saddle with a split seat design. This simple yet clever saddle moves with the movement of legs, rotating around the hip joints to eliminate any pressure-inducing surface contact.
Read at Yanko Design - Modern Industrial Design News
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