Even the Ian's knot demo uses an empty shoe. Since I haven't learnt his tying technique, can anyone please say if it works under tension?
In exchange I'll give you a free tip on how to dry your shoes. Remove the insoles and wedge inside a ball of absorbent paper such as kitchen towel for 10 minutes. Remove and then insert a vacuum cleaner nozzle inside. Switch on the vacuum and leave it running for 20 minutes or until dry.
https://www.goodreads.com/quotes/782216-everything-is-intere...