Answer: Davis was arrested as a suspected conspirator in the abortive attempt to free George Jackson, one of the Soledad Brothers, from a courtroom in Marin County, California, on August 7, 1970. A county judge was killed in the failed attempt to take hostages and rescue Jackson, and the guns used were registered in her name.
He's trying to describe a physical feeling that he's experiencing. He used a metaphor to try to explain his heartache and what he feels about his loss.