This is what works for me. After the shave (or honing session) dry the blade with a clean dry soft towel taking care to not drag it on the edge. Use a dry towel area to pinch in between thumb and index finger while the razor is lying on another towel, and not between your fingers. Pull the thumb and index finger down several inches of towel several times to dry your thumbprint and index fingerprint thoroughly. Then dry the edge of the blade itself by carefully pinching the edge at the rear with dry thumb and index finger from over the spine. Carefully pull toward the tip. Then use a hair dryer or the flame from a gas range burner (about 4" above the flame) to quickly dry the blade. You can see the "frost" disappear from the blade with the flame application. Hold the shank itself to make sure to not overheat the blade as it doesn't take long to vaporize the "frost". Then test spine for heat on wrist and strop carefully while warm. I had some razors start to rust after honing or shaving with cloth wiping alone even with camelia or Tuf-Glide applied afterward; in addition they had been stored in a dry room away from any source of moisture. Have had no problems since using this method.
Monte