ALFRED DANKS, was a well=known Health and Physical Culture Expert in the earlier part of the 1900’s. He was the originator of the world-famed system which bears his name. The Danks System relied on the use of expanders (strands).
Here is an excerpt from a Danks System advert::
The Danks System can transform Physical Wrecks into Robust individuals. It can make the Weak Strong, and the Strong Stronger, in brief, the Danks’ System can build up Weaklings into Real STRONG MEN.