Look at the next TT in the Giro - They'll be constantly shifting their arses back in the saddle as they slide forward (or backwards - different riders do different things). The UCI even has rules about putting grips on the seats.
@NotThamesWater started
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Look at the next TT in the Giro - They'll be constantly shifting their arses back in the saddle as they slide forward (or backwards - different riders do different things). The UCI even has rules about putting grips on the seats.