A spring mechanism is a device that uses the elasticity of a spring to store and release energy. Springs can be made from various materials, typically metal, and come in different shapes, such as coil or leaf. When a force is applied, the spring compresses or stretches, and when the force is removed, it returns to its original shape, releasing the stored energy. These mechanisms are commonly found in everyday objects, such as watches, toys, and automobiles. In watches, springs help regulate timekeeping, while in toys, they provide movement. In automobiles, springs are crucial for the suspension system, ensuring a smooth ride.