Two top VELCRO® tips of a curtain type nature from the “Two Louise’s” who both posted their tips in the chat box …..
Top Tip 1 - Louise: I use VELCRO® to 'hang' net curtains and to make blackout blinds more effective as I can seal all 4 sides directly to the window pane and windowsill.
Top Tip 2 – Louise (lonidan):- It must be a "Louise" trait because I have VELCRO®’ed my blackout curtain linings to the main curtain. Much too lazy to sew!!