Serious response time!
Yes. Use the Ian Knot.
Takes a bit of time to get accustomed to it, but after a while you can untie AND retie a shoe in under 15 seconds (with a double knot)
After many years of using other methods, it takes time to retrain, but I'm starting to get the hang of it, and I think it is really an efficient method.
Hey, you never know what you will gain out of DDF.