I just use AE Leather Lotion on my Higgins Mills. I don't worry about the tongue - it's the tongue and will get creased up by the laces. If you feel you need to do something to the tongue, I use AE spray waterproofer for suede on my suede shoes.Chris
I'm going to call this "way back Wednesday". These are Bridgetons from about 1995 - this is what they called Bourbon back then.
I have 3 of this style - black, burgundy, and bourbon. I still like this shoe.