Final answer:
The literary device used in the given excerpt is a simile. The author compares Jeremy's body to a bunch of paper clips that had been shaken up in a bag, stating that his head and neck, arms and hands, legs and feet looked like they were hooked together haphazardly and stuck out at weird angles.
Step-by-step explanation:
The literary device used in the given excerpt is a simile. The author compares Jeremy's body to a bunch of paper clips that had been shaken up in a bag, stating that his head and neck, arms and hands, legs and feet looked like they were hooked together haphazardly and stuck out at weird angles. This comparison helps to create a vivid image of Jeremy's disorganized and chaotic appearance while running.