Preventing Rust and Reducing Friction
My shop used to be in a basement. Now it’s in an unheated garage. In both environments, I would get the occasional rust spot on my tool surfaces, especially my table saw. I’ve used automotive paste wax and it seemed to help. And it helps reduce friction, too. It makes the wood slide across the saw so much easier.
A few years ago, someone suggested that I try using Bostik’s TopCote®. You can buy it from the Woodsmith Store. It’s an aeresol product 
that dries quickly to a dull haze. Then you can buff it with a soft cloth for a smooth surface. It doesn’t contain any wax or silicone that could mess up a finish on your project. The first time I used it, I was surprised at how easy it was to apply and what a great job it does at protecting my power tools.
A few weeks ago, I noticed that a few of my old hand planes were getting small spots of rust on them. So I used a Scotch-Brite pad 
to polish them up. The thought occurred to me if TopCote works on power tools, why wouldn’t it work on hand planes? I usually use a paste wax. But I tried TopCote on one of my planes. I knew it would help keep the rust at bay, but I was curious to see if it made any difference while planing. So I slapped a scrap piece of wood up on my bench and took a few swipes. Wow! It took no effort at all to slide the plane across the wood. I was sold.
I also have a can of Boeshield T-9® sitting on my shelf. I might do a little experiment and see if there’s any difference between Boeshield and TopCote in terms of rust protection and reducing friction.