Resized to 71% of original (view original)
Artist's commentary
It's Hiiiigh Heels
Also here's a clean version of the last panel for your snake-in-my-boot reaction image needs: http://67.media.tumblr.com/5e25b7e54b48de0980e4a798cb45db0e/tumblr_o9d9hiEtGd1r8ououo1_1280.jpg