Colorista - no handles on power mask (need to chase an object)

I am trying to apply some light color correction in Premiere Pro (don't want to take the time to export to After Effects for these minor changes).

At the moment, I'm trying to chase a face to lighten it a little, but there are no "handles" to grab the power mask and move it. The only way to adjust the location of the power mask is to set actual numbers in the effects control panel. Obviously, this makes it extremely difficult to chase (motion follow) an object across the screen.

I'm supposed to be able to grab and move the mask in my program window, right? Any reason why I wouldn't be able to do this?

Thanks in advance for suggestions and help.

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