Reminds me of these topology tricks

https://www.youtube.com/watch?v=6ebiyOtn7NA

Sorcery!

Back then, I learned to swim via a correspondence course. Thank goodness for video these days.

This could also be an interesting Topology lesson.

much better with this advance technology

While it was quaint to read through the high effort blog post, it was like reading a cooking blog that starts off with reminiscing about travels through an Italian village where they learnt how to make toast.