The hand is about to eat the convicts.
The LSD Hand Monster is a large, carnivorous human hand created from D. L. Diamond's "space dust".
The hand is first seen by two convicts in their hallucination. The hand appears in red,white, and blue colors and is in the "peace' sign. Suddenly, its color drains and it grows a mouth with sharp teeth. It then starts eating convicts.
Later on, the hand is blown up when The Galactoids appear and save the day.