Rule34https://rule34.xxx/index.php?page=atom&tags=2018 alpha channel anthro avian balls beak cutie mark english text equine erection feathers fur hair hi res hippogryph hoove hybrid invalid tag male male only mammal muscular muscular male my little pony notkastar penis rock signature silver quill (character) sketch smile solo text wings2024-05-03T16:54:25ZRule34