Braille can be made using a `` slate '' and a `` stylus '' in which each dot is created from the back of the page , writing in mirror image , by hand , or it may be produced on a braille typewriter or `` Perkins Brailler '' , or produced by a braille embosser attached to a computer . Braille may be produced using a slate and stylus in which each dot is created from the back of the page , writing in mirror image , by hand , or it may be produced on a Braille typewriter or Perkins Brailler , or produced by a Braille embosser attached to a computer .