double-breasting n. use by a company of its non-unionized shops, factories, or subsidiaries for the same work contracted to its unionized facilities. Also double-breasted adj., characterized by such a practice. (source: Double-Tongued Dictionary)
Further reading
When a musician is woodshedding a passage of music, they’re trying to master that part by repeatedly practicing it in private, as if having retreated to do so in a woodshed, away from others who might be bothered by it. This is part of a...
Ian in Jacksonville, Florida, wonders about why musicians use the word clam to mean “a mistake” or “an egregious musical error,” as in There are a lot of clams in there or We need to practice where the clams are regarding a...