Rule 34 Dev - 4_toes 5_fingers anthro athletic athletic_anthro athletic_male balls containment_tube electrode electrode_on_arm electrode_on_balls electrode_on_chest electrode_on_leg feet fingers floating foreskin fully_submerged fur genitals glass glass_tube hair hindpaw humanoid_genitalia humanoid_hands humanoid_penis laboratory laboratory_equipment male mask medical_instrument navel nude nude_anthro nude_male oxygen_mask paws penis pod science_fiction scientific_instrument solo stasis_chamber test_subject text toes water wire 6eyesandhooves felid lion mammal pantherine hi_res signature sketch url|23595713540