What is "rattletraps"

Usage examples of "rattletraps".

Laughing, Joe seated himself on a dead cotton-wood trunk near his beanfield, lit a cigarette, and watched the rattletraps heading down the highway toward menial fifty-cent-an-hour, maybe a dollar-an-hour, at most a dollar-sixty, a dollar-eighty-an-hour jobs in Dona Luz and Chamisaville.