Study sketches of dogs focusing on mouths and teeth. Three are heavily photo referenced and one is freehand. Learned a bunch about drawing dog mouths. Next I need to do some ink studies and thumbnails.

Images referenced:
http://6woofs.tumblr.com/post/116787725216/they-direct-you-to-the-right-spot-to-scratch
https://www.flickr.com/photos/hgizmo/13513702833/
http://dogmouthblog.tumblr.com/post/127794621867/an-elkie-named-punky-squeaks-from-tremendous