The indentation prevents the adresses being turned into links. Here are links:

https://www.wear.works/ (for blind marathon runners)

https://www.carlosterminel.com/wearable-compass (scroll down for various pictures)

https://pganssle.github.io/HaptiCap/

https://blog.adafruit.com/2020/04/08/this-haptic-compass-bel...

https://makeitbreakitfixit.com/2016/06/22/haptic-compass-ban...