Originally Posted by
furballi
I would dip the whole saddle in water for 20 minutes, then wipe dry. Put stuffs under the bottom of the saddle to raise the leather as close as possible to the newly-purchased state. Now crank the front tensioner bolt so that the saddle will maintain its shape. Let the saddle air dry, then apply a thin coat of Proof on top and bottom.
Whatever you do, you should never tension a leather suspension-type saddle whilst it's still wet.