The Knot of Isisalso called Belt of Isis o Tyet, assomiglia al simbolo  ad un AnkhIt is mainly found in funerary wall paintings in ancient Egypt.

It seems to represent the flow of menstrual blood Goddess and its magical properties. The power of this symbol is described in the Papyrus of Ani: “The blood of Isis, the spells of Isis, the magic words of Isis will keep you strong and protect you from anyone who wants to harm you..”

A Symbolily with this symbol is a powerful symbol of protection to keep in the home to protect it and those who live there.