headstick

noun3

1. •
   A stick-like device strapped to a paralysed person's head to allow them to perform activities such as typing on a keyboard.
2. •
   A spar attached to the head of the topsail.
3. •
   (historical) A straight piece of furniture placed at the head of a form, between the chase and the type.

   • The sidesticks should be of the full length of the page, and abut against the headsticks on the outside of the form . — 1841