Just after watching the televised murder of his son, George hears "the sound of a riveting gun in his head." Why does Vonnegut reference this particular kind of tool? How might this multiple meaning word enhance the themes in the story?

remind the readers how the government erases memories from the head of the people through the handicap device.

Explanation:

Vonnegut in his "Harrison Bergeron" make reference with this particular kind of tool to remind the readers how the government erases memories from the head of the people through the handicap device.

This multiple meaning word enhances the themes in the story through its deep reference to the sound of a riveting gun. Just like the sound of a riveting gun, the government can easily erase the memories of the people in a split of a second. They government can easily curb any revolting or desenting actions of any person in the society.