Which pencil-hand do I click?

With editing turned off inside my new course, I wanted to practice entering description text, so I turned editing on.  Because two pencil-hands showed up in the block I wanted to edit, I was concerned that I would click on the wrong one and blow the block away or something.  With trepidation, I studied the scene shown directly below:

Although I was not sure, after staring at the scene, and doing mouse-overs a couple times, I guessed, and got it right, enabling me to enter the text shown in green.  Here is the pencil-hand I chose:

Yay! Win! *:-)