All you need is a paperclip and about five minutes.
Step 1: The hook for on the support
Note: Notice the orientation of the paperclip
Bend the short piece of the paperclip down 90 degrees.
then bend the longer piece up 90 degrees
Step 2: The hook you can hang things from
Tip: On the side that ends bend at the middle
Next just bend the end piece down 45 degrees and over towards the rest of the paperclip.
Step 3: Installation
The hook should now be under the support .
Lower the tile back in place and you are finished!