Exoskeleton for paraplegics allow them to walk. featured in the opening ceremony for the World Cup in Brazil where users kicked a ball. It uses a wide range of technologies and is controlled through an EEG (Electroencephalography) cap placed over the head – the sensors on the cap read brain activity from the scalp. The cap then deciphers the intention of the user and transmits the instruction to the exoskeleton, which produces the gait movement using a set of hydraulic actuators.