I don't understand how to get the loops on the example. can you help please?

Hi,
thank you for contacting us, the PUA Characters can access easily if your software have the characters map feature such as Corel Draw, Adobe Creative Cloud or Affinity. Check the tutorial below: https://medialoot.com/blog/how-to-enable-opentype-features-in-word-photoshop-and-illustrator/

or this one: https://support.microsoft.com/en-us/help/315684/how-to-use-special-characters-in-windows-documents#:~:text=To%20start%20Character%20Map%20and,and%20then%20click%20Character%20Map.&text=Click%20System%20Tools%20(click%20the,)%2C%20and%20then%20click%20Details.

https://www.youtube.com/watch?v=38bTwllsnDw

Have a nice day!