The valknut (Old Norse valr, 'slain warriors' and knut, 'knot') is a symbol consisting of three interlocked triangles. It appears on a variety of objects from the archaeological record of the ancient Germanic peoples. The compound noun valknut is from the modern era. The term used for the symbol during its historical employment is unknown.
Scholars have proposed a variety of explanations for the symbol, sometimes associating it with the god Odin, and it has been compared to the three-horned symbol found on the 9th-century Snoldelev Stone, with which it may be related. The valknut receives sporadic use in modern popular culture and is again associated with Germanic paganism by way of its modern day revival, Heathenry.
The valknut appears on a wide variety of objects found in areas inhabited by the Germanic peoples. The symbol is prominently featured on the Nene River Ring, an Anglo-Saxon gold finger ring dated to around the 8th to 9th centuries. A wooden bed in the Viking Age Oseberg Ship buried near Tønsber, Norway features a carving of the symbol on an ornately stylized bedpost and the Oseberg Tapestry, a partially preserved tapestry found within the ship burial, also features the symbol. Additionally, the valknut appears prominently on two picture stones from Gotland, Sweden: the Stora Hammars I stone and the Tängelgårda stone.
The historically attested instances of the symbol appear in two traditional, topologically distinct, forms. The symbol appears in unicursal form, topologically a trefoil knot also seen in the triquetra. This unicursal form is found, for example, on the Tängelgårda stone. The symbol also appears in tricursal form, consisting of three linked triangles, topologically equivalent to the Borromean rings. This tricursal form can be seen on one of the Stora Hammars stones|Stora Hammars stone I, as well as upon the Nene River Ring, and on the Oseberg ship bed post. Although other forms are topologically possible, these are the only attested forms found so far.
Theories and interpretations
Several explanations for the symbol have been proposed:
Chapter 17 of the 13th century Prose Edda book Skáldskaparmál contains the following description of the heart of the jötunn Hrungnir; "Hrungnir had a heart that was famous. It was made of hard stone with three sharp-pointed corners just like the carved symbol hrungnishjarta [Hrungnir's heart]." Comparisons have been made between this symbol description and the symbol known as the valknut.
Odin and mental binds
For instance, beside the figure of Odin on his horse shown on several memorial stones there is a kind of knot depicted, called the valknut, related to the triskele. This is thought to symbolize the power of the god to bind and unbind, mentioned in the poems and elsewhere. Odin had the power to lay bonds upon the mind, so that men became helpless in battle, and he could also loosen the tensions of fear and strain by his gifts of battle-madness, intoxication, and inspiration.
Due to the Norwegian name for the symbol, valknuter, and the fact that the symbol appears on picture stones with Odin and on burial gifts in the Oseberg ship burial, Rudolf Simek says that the symbol may have been associated with religious practices surrounding death.
As Borromean rings on the Stora Hammars I stone
The valknut symbol plays a role in modern Heathenry, where numerous explanations and interpretations of the symbol are given, has been used by various political groups, and sometimes sees use in modern popular culture. Examples of usage include the Swedish pulp and paper manufacturer and consumer goods company Svenska Cellulosa Aktiebolaget's use of a triquetra valknut as their logo, which can be commonly seen on many products produced by the company. The Deutscher Fußball-Bund (DFB) has (since 1991) used a logo for the German national football team inspired by the unicursal form of the valknut.The symbol is also used as a logo for the Tau Kappa Epsilon Fraternity.  The symbol appears as the fretboard inlay on some of Arch Enemy/Carcass guitarist Michael Amott's signature Dean Guitars "Tyrant" models. It is also used as a logo by American engineering firm RedViking. 
The symbol, like many others associated with Germanic paganism, is used by some white supremacists but has not been classified as generally objectionable by, for example, the German government (Strafgesetzbuch section 86a).
- Swastika (Germanic Iron Age), the swastika is frequently found in the archaeological record of the ancient Germanic peoples
- Mjöllnir, a symbol representing the hammer of the god Thor, particularly popular during the Viking Age
- Looped square, a symbol that produces a square with outward pointing loops at its corners
- Simek (2007:163).
- The British Museum Online. Entry no. 1855,1115.1
- Davidson (1967:125).
- Municipal arms for Lødingen, blazoned in the Norwegian Royal Decree of 11 May 1984, quoted in Hans Cappelen og Knut Johannessen: Norske kommunevåpen, Oslo 1987, page 197. The term is also used in Anders Bjønnes: Segltegninger fra hyllingene i Norge 1591 og 1610, Oslo 2010, pages 64–65.
- Byock (2001:88).
- Davidson (1990:147).
- DFB home page (German).
- RedViking home page.
- "Hate on Display - Hate Symbols Database: Valknot". Anti-Defamation League.
- "Symbole und Zeichen der Rechtsextremisten" (PDF). Bundesamt für Verfassungsschutz. May 2013. Retrieved 27 November 2013.
- Byock, Jesse (trans.) (2006). The Prose Edda. Penguin Classics. ISBN 0-14-044755-5.
- Davidson, Hilda Roderick Ellis (1967). Pagan Scandinavia. Frederick A. Praeger.
- Davidson, H. R. Ellis (1990). Gods and Myths of Northern Europe. Penguin Books. ISBN 0-14-013627-4.
- Simek, Rudolf (2007), translated by Angela Hall. Dictionary of Northern Mythology. D.S. Brewer. ISBN 0-85991-513-1.
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