Here is another upside down drawing exercise from Drawing on the Right Side of the Brain. It took several days to complete this; I kept losing patience with it. It was much harder than the upside down Stravinsky exercise, possibly because this jouster is more realistic than the Picasso line drawing.
When I was little my brother and I used to draw knights compulsively (they were in 4th place behind Superman, Batman, and Spiderman). The copy of Excalibur we taped off of the Z-Channel probably had something to do with it.
These are my other completed exercises from the book:
