It’s like they read my mind! I am so tired of the suction cups that hold my suncatchers falling off the windows when the temperature changes. I knew the 3M Company made clear hooks, but I was wishing they made them with clear adhesive strips. Well, I found them (at Lowes Home Improvement and Michaels!)
They work great! Be aware, though, that the hooks may have a larger circumference than the hanging loop on your suncatchers. I solved that with the addition of a key ring sized jump ring:
Here’s one in the package:
‘Hard to see, aren’t they? Exactly!!!!