Collapsible joinery - Festool Domino XL - Assemblage démontable

Have you ever seen those connectors from Festool ? let me know what you could do with them, your very fist project with it ? the project that you postpone since a while because you don't have them now...
Festool DF 700 + Connectors : ‪@FestoolFrance‬
If you want to know what I am doing right know with them have a look at www.psecreation.eu or / papa.scie.encore