Torcs! One of the most iconic of all Viking age jewelry pieces is the torc, which was worn around the neck with the terminals facing forward.
 
This torc is about 7 inches across, and is flexible enough to fit medium through large necks (children and very large people will find the fit odd, otherwise, it'll fit). Made from brass and featuring two wolf head terminals.
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Delivery times are, in theory:
Canadian delivery time - 3-7 business days (Canada Post standard shipping)
Shipping cost - Orders under $50 cost $4 to ship
Orders over $50 cost $22 and include tracking
Spend over 200 and get free shipping.
International orders have different shipping costs

And no, the hand of Ragnar is not included...