And throw away the key.
http://inplainsight.nbcnews.com/_news/2013/05/27/18380470-sentenced-to-debt-some-tossed-in-prison-over-unpaid-fines?chromedomain=usnews
http://inplainsight.nbcnews.com/_news/2013/05/27/18380470-sentenced-to-debt-some-tossed-in-prison-over-unpaid-fines?chromedomain=usnews