[Technovation] has been doing just that with his micro quadruped ... on to the servo output shafts. This is a common way of building quick, easy, lightweight assemblies with servos, and it works ...

[Afroman] leaves no gear unturned in his tour de servo, which is embedded ... laser turret based on a pan-tilt platform. The Arduino-driven turret uses two micro servos controlled with pots ...