Ha ha, I love it! I wrote a pointing hand annotation overlay in PostScript in 1989 for NeWS and the PSIBER Space Deck's Pseudo Scientific Visializer:

  %  @(#)handy.ps
  %
  %  Handy Pointer
  %  Copyright (C) 1989.
  %  By Don Hopkins. (don@brillig.umd.edu)
  %  All rights reserved.

PSIBER Space Deck and Pseudo Scientific Visualizer Demo:

https://youtu.be/_fqCeuue5Ac?t=213

The Shape of PSIBER Space: PostScript Interactive Bug Eradication Routines — October 1989:

https://medium.com/@donhopkins/the-shape-of-psiber-space-oct...