What sorts of failures are covered? Usually, these ideas cover a mechanical breakdown from routine use, often generally known as “usual wear and tear. You will find five meanings detailed in OED's entry to the verb cinch. See ‘Meaning & use’ for definitions, usage, and quotation proof. Unless of course you’re https://search.grainger.illinois.edu/searchaidlog3/sourcelognew.asp?ID=782151&goog--https://kowear.com/cinch