Why-we-have-kneecaps-demonstration

Dog-back-scratch-slide

Pet-rat-steals-money

Karate-fight-dance

Rat-gets-tissue-after-sneeze

Girls-karate-rolling-kick-KO

Boy-saves-girl-during-karate-lesson

Cat-back-scratch-malfunction

Teamwork-sweeps-out-rat

Boy-climbs-down-stairs-premature-celebration

Lazy-bulldog-vs-crate-door

Football-player-prancing

Basketball-celebration-karate-chopping

Cute-baby-kangaroo-scratches-an-itch

Basketball-premature-celebration

Startled-cat-caught-with-rat

Soccer-goal-celebration

Basketball-trick-jumping-celebration

Lemur-wants-back-scratching

Sheep-requests-more-back-scratches