Will to act, power to become, thunderbolt, targeting goals, Thor's Hammer, the Return, new growth from the apparently old and dried-up, physical prowess, potency, formative power of the seed. Mental telepathy, concentration and projection of the Will, stalwart defense, psychic attack and defense, penetrating time and space, masculine polarity.
THORN is a Rune of pure muscle and might, in both a physical and psychic sense. It is Thor's Rune, breaker of blades and curses alike. Use THORN to strengthen yourself against all challenges, hesitations, and fears. It is also a Rune of virility and vitality, of power concentrated instead of dissipated. You can use THORN to strengthen your aura, end hesitation and break bad habits, mastering it helps unmask and dislodge addictions and focus the Will with intent.
THORN-Rune Asana or Stadha:
Stand upright, feet together, hands pressing together at the palms and fingers. Left elbow raised, right elbow lowered, making the shape of the "Thorn" or stud. Channel any trembling into the palms.
THORN-Rune Mantra or Galdr:
th th th th th th / Thorn Thorn Thorn / tha the thi tho thu / thorr thorn thurs thurisaz thyth / Taat
THORN-Rune Mudra or Handstadha:
Hand held vertical. Thumb and ring finger touch, pointing forward. Other fingers point upward.
I'll most more in the coming days. This website is where I'm getting most of the info for this thread. It is a good introduction