They are not tame. When coaxed, they perform ritualized routines—whine, accelerate, cough out plumes of hot air—like beasts trained to please a passing crowd. But their true nature is revealed in the moments between performances: the way V8’s pistons settle into a slow, satisfied rhythm; the way Animo Pron Portable trembles with tiny, inexhaustible urgings, as if considering a jump it will never take.