NO SCREW, Hot glue hook

I had to install a few LED Solar Lights around the house and didn't want to drill the house (no oil where I live).
There are two ~7mm holes and ~5mm slots in the back for the screws head.

Of course these are suitable for anything not too heavy (note it can hold up to 10kg when glued on plain wood, concrete...)and having this kind of slot or a D ring, a string etc....
Scale to whatever you want or remix it for other size.

These hooks (diam 26mm) are to be used with a good hot glue or "N