Freemason symbols are ubiquitous in their jewellery: cufflinks, rings, tie-pins, lapel pins, and so on. Many of the designs stem from symbols of the Templar Knights (those ever-fashionable standard-bearers of conspiracy theory).
In Freemasonry, a single-barred cross is known as Passion Cross; with two bars is known as a Patriarchal Cross; and with three bars is known as a Salem Cross.
Like the St. Gilbert Cross, the Salem Cross is often depicted leaning to the right or to the left, and sometimes takes the form of a Cross Crosslet.
Like the three-barred Papal Cross, the Salem Cross signifies the ultimate rank of the bearer.
It has been adopted by the Sovereign Grand Commander of the Supreme Council of the Scottish Rite, and also Grand Masters of the modern Knights Templar. (See also the Masonic Cross and Crown)