Quadriplegics can gain some control of their world with a “Sip-and-puff” device, which give the user control via blowing or sucking on a mouthpiece. A sip-and-puff can make a world of ...

These devices allow the user to lightly sip or puff into a tube to control switches or sensors, and are sometimes mounted in joysticks for control of a computer, or wheelchair, etc, but finding ...

“The TetraSki is a ski that allows some to get on the snow and power the ski like they would a power wheelchair,” said ... uses the joystick or the 'sip and puff' it will edge the ski up ...