Priced at around 250,000, they feature a unique, horizontal movement and an intricate case fitted with multiple sapphire crystals to reveal the mechanism in all its glory.

Any horizontal movement at the point of impact could snap off one of her matchstick legs.

Both vertical and horizontal movement can be monitored over time.

However, even when bunny hopping, a basic maximum speed limits horizontal movement.

A control lever or joystick was used for the first time to allow for horizontal movement.