rule 34 2021 absurd res aetherxov anus arm spikes ass backsack balls barefoot belly belly on ground big balls big belly big butt black anus black balls black belly black body black butt black countershading black nose blue stripes canid canine canis claws cliff cloud countershade anus countershade balls countershade belly countershade butt countershade feet countershade genitalia countershade neck countershade paws countershade perineum countershade tail countershade torso countershading detailed background digital media artwork feet feral genitals grass grey body grey claws grey ears hi res hip spikes huge balls huge butt hyper hyper anus hyper balls hyper belly hyper genitalia looking away machine male mammal markings metallic body multicolored body nature nature background open mouth outside paws perineum plant prick ears puffy anus pupils rear view red eyes red pupils red sclera robot robotic robotic leg robotic mouth rock sharp claws sharp teeth shoulder spikes sky solo spikes spikes anatomy standing stomach bulge striped markings stripes tapering tail teeth thick thighs tongue tubes wide hips wolf 5697860