Her 'rule of thumb' (pun intended) is that a mini skirt's hem should not be any shorter than a wearer's thumb when the hands are at the side. I actually think, however, that you have to see the wearer and the garment and that rules like that don't always apply across the board. Plus, the thumb line can be pretty short.
Ancient historians from both China and Rome noted the use of white flags to signal surrender. In the former empire, the tradition is believed to have originated with the reign of the Eastern Han dynasty (A.D 25-220), though it may be somewhat older. The Roman writer Cornelius Tacitus mentions a white flag of surrender in his Histories, first published in A.D. 109.
As an Army and Navy custom, the flag is lowered daily at the last note of retreat. Special care should be taken that no part of the flag touches the ground. The Flag is then carefully folded into the shape of a tri-cornered hat, emblematic of the hats worn by colonial soldiers during the war for Independence. In the folding, the red and white stripes are finally wrapped into the blue, as the light of day vanishes into the darkness of night.