How to tie a tie with the 'Cavendish' knot

The knot is named by the two Cambridge University physicists; Thomas Fink and Yong Mao, research fellows working from the Cavendish laboratories and authors of the comprehensive "85 ways to tie a tie".

In their own words: "This is the principal 8-move, 2-centre knot. As its sequence suggests, the Cavendish is a concatenation of two four-in-hands, one being a mirror image of the other. This gives an idea of its shape: similar to the four-in-hand, but much bigger."

The video is to be viewed as if you were looking in a mirror.

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