I actually really like the idea of requiring an extra set of pectoral muscles for proper wing function. I would assume it would also require additional shoulders across the shoulder blades and back as well.
Need Something to Draw? click and drag game, version 1.0
I figured this could be fun for a few folks out there. If anyone has any suggestions for things they think would be fun to draw under “Who” or “What” feel free to let me know. The current list is rather small, though big in scope.