How not to get your Brooks saddles half inched

True, but i suppose (e.g.), a lugged track frame, which is already used on the road, not track, etc, etc, plus the fatigue of constant clamping-unclamping, will all in the end shorten the frames life, no?

Depends on the frame material.

This is entirely true for alu frames, but much less so for steel frames.

This is because steel (given a certain load cycle/stress) will deal with the stress cycling forever (literally), whereas alu will fail after a certain number of cycles..

Obviously, points already made in the thread about over tightening notwithstanding..