Red string

Red string may be:

Worn on the left wrist, a single red string with seven knots is associated with Kabbalah; worn on the right wrist without the multiple knots, it is associated with Hinduism (called Kalava) and Buddhism. Alternately, white string is also seen in Buddhism. (See the talk page for more on red string in the context of Buddhism.) The red string is increasingly being associated with Christian symbolism as well, probably as an advent of the popularization of Jewish Kabbalah and the Church of England's recent efforts to reinvigorate the church with the young.
The sacred Hindu red string called Kalava.
Wearing a red string wrapped twice around the left wrist is used as a secret indicator between people that are anorexic or are pro-anorexia. To disguise it as a normal bracelet, girls like to add beads or hang butterfly charms from them. (Butterflies being a popular emblem of anorexia amongst girls.) Bulimics wear blue string; a combination anorexic-bulimic would wear purple string.
Red String, a manga-style webcomic
The red string of fate, a Japanese belief similar to the concept of a soulmate
The Red String a documentary film about four Chinese-born girls and their adopted families
Redstring Productions, Inc., an American based family entertainment company
Women in western cultures are using red string as part of Blessingway or Mother blessing ceremonies - the red string is wound around the participants and then cut and worn until the pregnant mother is in labour or gives birth, to symbolise the groups togetherness and to remind participants to send their thoughts and wishes to the pregnant mother.

See also