They're not super expensive most of the time, but right now, you can buy the Command General Purpose Variety Kit for just $13 ...

Depending on what you’re hanging, there are stand-alone Command strips or strips with a hook attachment that you can use. Command strips work best on clean, smooth surfaces, so wipe the wall ...

In any case, Command hooks can be used for D rings, wires, saw-toothed or even keyhole hangers. These stick to multiple surfaces. Command hanging strips Command picture hanging strips come in ...