Infinity symbol in bookbinding to indicate that a book is printed on acid-free paper and will therefore be long-lasting. In modern mysticism, the infinity symbol has become identified with a variation of the ouroboros, an ancient image of a snake eating its own tail that has also come to symbolize the infinite, and the ouroboros is sometimes drawn in figure-eight form to reflect this identification, rather than in its more traditional circular form. In the works of Vladimir Nabokov, including "The Gift" and "Pale Fire", the figure-eight shape is used symbolically to refer to the Möbius strip and the infinite, for instance
Turned g turned one-story g, is more widely available as a substitute, at U+0253. However the vertical alignment does not match. Turned g ᵷ or turned g is a letter of the Latin alphabet, formed by rotating g 180°. It is used to transliterate the Georgian letter ჹ. ჹ itself is the Georgian letter გ "g" rotated. It represents a in some East Caucasian languages. A rotated capital G has sometimes been used as a substitute for the similar-looking eng . It is encoded in Unicode at U+2141. ᵷ was added to Unicode 4.1 in 2005, as U+1D77. Fonts that can display