OK, so you know I don't like to use the "m" word when it comes to knitting, because KNITTING is not actually MAGIC.
But a few weeks ago, in my "what-I-want-to-knit-this-year" list, I mentioned a yarn-usage technique that is often known as the "magic ball". Because this isn't actually a knitting technique so much as it is a clever way to use yarn, I decided I can more-or-less live with the "m" word in this case.

Here we are again – and believe it or not, progress is being made. We are up to the Fair Isle panel, which is the most complex part of the whole thing. Keep breathing.
Here’s my latest vintage knit – a skimpy black vest, made in my fave fiber (mohair) – along with the modern ad that had me looking around for skimpy vests. 
Compare my version to the original vintage pattern pic. And just in case anyone else wants to find it, here is the cover of the vintage Spinnerin book it is in. 