the valknut- vikings painted this on their shields to call the Valkyrie to take them to Valhalla if they were killed, Jake had this tattooed on his forearm in honor if his viking decent/roots. Along with some ancient runes.
Back of neck/finger VEGVISIR COMPASS: the Norse symbol of protection. “Vegvisir” is icelandic for “guidepost”. They believe that the wearer of this symbol won’t get lost and will always find his/her way.