Advice on how to create this

Please know that I'm VERY new. I apologize in advance for this long post, but I thought it would be helpful to understand what I'm trying to create and what I've done so far. 

I'm creating my first project for practice (but that I will use in real life if it works out).  I want to create an image of a clock whose hands go backwards at a certain point during narration (conveying the idea of turning back time). I first thought that I could just get a pic of a clock, somehow separate the components so that I could add a motion path to just the hands. But I couldn't figure out a way to separate the components of the pic (I used to be able to do that in a basic WORD doc, so I was surprised that I couldn't find out how to do it in SL).

Then, I thought that I might get a stock clock pic from Adobe (I'm using a free trial now), remove the hands, and put that pic in my slide; then, I could use Shapes to put in arrows that could serve as hands and add a motion path to those. Well, it didn't work out with Adobe (for some reason, I couldn't for the life of me erase the hands on my pic, so I gave up).

Then, I decided to just insert a circle shape in my SL slide and create hands with arrows. When I applied a motion path to the hands, though, it didn't turn out as I expected: The front point of the arrow isn't the turning path. Rather, the entire arrow just moves down. There's no curve as if a hand is turning back.

Can anyone point me in the right direction? What am I missing?