When it comes to synonyms for the phrase "the old onetwos," there are a number of possibilities. One option might be to use the phrase "the classic one-two" to describe a tried and true method or strategy. Another similar phrase could be "the reliable one-two," implying that this approach is trustworthy and consistent. If you are looking for something a bit more creative, you might choose to use "the vintage one-two" or "the throwback one-two," both of which suggest a nod to earlier times. Alternatively, you might opt for "the traditional one-two" or "the customary one-two," indicating that this is an approach that has long been established.