fasten onto in a sentence

Examples

1. Instead, it fastens onto their guts, grows, spreads out and becomes the kind of dark, dense depression that _ sooner or later _ can kill a person as surely as a bullet can.
2. One of the louder parlor tricks of all time, this work fastens onto a rhythm from the Allegretto of Beethoven's Seventh Symphony and makes a big noise of it before unveiling the source itself and, presto, transforming it into Wagner.