Vegvisir ("the viking compass"). It is said that if this sign is carried, one will never lose one's way in storms or bad weather, even when the way is not known. It is encircled by protection runes. This would be a cool tattoo.
The history of Celtic design tattoos involves influences from several different cultures. The Celtic knot tradition inspired the intricate tattoo designs we see today. Celtic knots were created by the Celts from Ireland, Wales and other countries in.
Ancient Irish Celtic Symbols Ogham Runes of Ancient ''Druid Spells, Incantations and Intentions'', ''Fewsets Basic'' Ancient Symbols of ''Higher Spiritual Power and Magic'' The Ancient Magical Language of The ''Ancient Celtic Irish Druids''.
Theese are NOT viking runes. They are an older Rune alphabet, from around year 500 and earlier. They are called the elder futhark. The viking Rune alphabets have usually only 16 runes and there are several different alphabets from that time.