Can the Grasp Switch be used to control a computer or tablet? January 15, 2021 05:33 Updated Yes. To do this you will need a switch interface, such as Blue2, Hook+, or Hitch 2.0. Related articles Getting Started With the Grasp Switch Why is the Grasp Switch not working? How Do I Attach the Universal Shoulder Strap to the BIG Step-by-Step How Do I Create a Quote? When I press the red button on the All-Turn-It Spinner, the needle isn't spinning? What can I do to fix it?