Rule 34 Dev - 4th_of_july animal_genitalia animal_penis anthro balls big_balls big_knot big_penis canid canine canine_genitalia canine_penis canis detailed_background erection fireworks flexing genitals glowing glowing_eyes grey_balls grey_body grey_sheath hair hi_res holidays juneau_(juneauwuff) juneauwuff knot long_hair male mammal mythological_canine mythological_creature mythology penis sheath smile smiling_at_viewer solo were werecanid werecanine werewolf wolf|11770933664