Originally Posted by
GhostRider62
I can't find it on the newer Brooks website, but on the previous version they used to specifically state not to use mink oil on the leather.
I strongly suspect doing stuff like this on a Pro thicker model is one thing, but on the normal models it would oversoften it.
I only mention it as a precaution to the new Brooks saddle guy who asked this question, Brooks has always not recommended using oils.