US spars

Wiktionary.org offers this defintion of the word vang. Although the etymology is all very interesting. The latter is the one we are the most interested in. Below is a good video describing the benefits of the boom vang and when to use it. [youtube https://www.youtube.com/watch?v=C31nGzO54O4&w=560&h=315] The Boom Vang, in its simplest form, is a block and…