This definitely prevents stuck ferrules, but wax can pick up grit and dirt which isn't great for the ferrules.Does anyone apply wax to the ferrules as a preventative measure?
I saw this video recently. This guy uses relatively inexpensive arrow pullers to get stuck fly rods apart. He claims 100% success and even super glues two sections of an old rod together and then easily separates it.
I haven't tried it myself, but here is a link to the video: