So any spell that is cast can return to the bearer three times as strong (this discourages the casting of negative intent) and the Wiccan rede demands that all spells be benign, or non-harmful to others.
In the Wiccan faith, these abilities are inherent within every human, and they are considered natural gifts provided to all of humanity in varying degrees.
Wicca: The Wiccan faith believes that psychic gifts are natural human abilities that have been socially suppressed for centuries.
TattooJoy also has a large variety of Celtic pictures ranging from Celtic knots to more Wiccan themed tats.
Maybe an ankle band of Wiccan symbols, Celtic crosses, runes or other religious iconography?