monster, knotted:1

Argent, a Norse serpent nowed sable encircling in its upper loop a Maltese cross gules. Reynard the Brown (10/1982 Atla)

Gules, a Norse serpent nowed Or. Brynhildr Kormaksdottir (8/1979 Caid)

Gyronny gules and Or, a two-headed serpent erect, nowed palewise in a true lover's knot, the head to chief sinister facing, azure. Megan Gwendylon (4/1988 East)

Or, a Norse serpent nowed gules and a base rayonny sable. Johann Gunnbjörnsson (2/2002 Anst)

Per chevron sable and gules, a chevron rayonny on the upper edge Or, in base a Norse Jelling beast nowed to sinister argent. Malachi Halfdan Brightskull (2/1995 Meri)

Per pale sable and gules, a Norse Jelling beast argent within a bordure Or. Hrólfr bláskegg Rognvaldzson (4/1994 West)

Per pale vert and argent, a snake nowed in a Hungerford knot inverted counterchanged. Annalies Grossmund (10/1999 Calo)

Purpure, a sea serpent nowed in a Cavendish knot bendwise Or. Angharad Rhonwen of Caerleon (8/1995 Anst)

Sable, a serpent nowed with a head at either end, on a chief argent three caltraps sable. Lothar the Wanderer (3/1993 East)

Sable, an orm erect contourny gules, armed, langued, and fimbriated Or, debruised by a bezant. Orm Skjoldbidig (8/1986 Aten)

Vert, a serpent with a head at both ends nowed respectant, so as to form a figure 8 between in fess two drakkar figureheads couped respectant Or. Ormilda Freydis of Olmsfjord (8/1982 Aten)