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4_toes 5_fingers anthro back_muscles backsack balls bdsm bondage bound brown_body brown_fur brown_rat buckteeth butt cheek_tuft claws english_text facial_tuft feet fingers foreskin fur genitals hands_behind_back hands_tied hands_tied_behind_back high-angle_view humanoid_genitalia humanoid_penis legs_up looking_at_viewer looking_back looking_back_at_viewer lying male mammal master_splinter murid murine nude_anthro nude_male on_front partially_retracted_foreskin penis penis_backwards raised_tail rat restraints rodent rope rope_bondage solo spelunker_sal spread_legs spreading tail teenage_mutant_ninja_turtles teenage_mutant_ninja_turtles_(1987)teeth text three-quarter_view toe_claws toes tuft