The Deafblind Block Alphabet

Use your forefinger to trace ordinary BLOCK CAPITAL LETTERS boldly on the palm of the deafblind person's hands, each letter directly on top of the last.

The broken lines indictae the DIRECTION and SEQUENCE of strokes to be made on the palm. Quick signs: For YES, two taps on the plam of hte hand for NO, or for erasing an error, a rubbing out movement across the palm.