Lesson learned today is that the oh so fascinating plastic/paper leftover from your moms job will not work well with acrylics.
In fact the oh so fascinating paper hybrid will make the color fall of in nasty chunks.
Lesson number two is that this cannot be fixed.
Lesson three is merely about checking twice so any parts of the anatomy, in this case hands, does not come out as the offspring of a facehugger/three-eyed jellyfish.

Lesson four is to dust of one's shoulders, dispatch of the destroyed part of the sketch and continue on using a different media on the remaining part.