Eddie Mauro ™ 2021. Braun Design Contest. Tusa is a solution, combining
the interfaces of stress toys, triboelectric generators and smart buttons/controls in just one, offering a technological device, connected and sustainable.

Tusa looks like a big pencil, it takes advantage of hand movements making to
release stress and to charge temporarily the same way the device, and to use it
to give orders and control smart devices without the use of batteries.