rule 34 2022 animal genitalia animal penis anthro balls big balls big knot big penis claws collar dragon english text equine penis erect finger claws first person view flared penis genitals grey background hair hi res holding leash holding object knot leash leash pull leashed pov long hair looking at viewer looking down looking down at viewer low angle view male medial ring monochrome open mouth penis redishdragie scalie signature simple background sketch smile solo tanzy tanzanite teeth text vein veiny knot veiny penis worms eye view 5851405