Double cross is crossing your arms around their back.
Cross is having one arm going across their back to the shoulder and the other around the waist.
Parallel arms is having your arms parallel around their back.
Around the waist is self explanatory.
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Edited by Emperor Bell: 1/1/2014 8:42:25 AMDouble cross or one arm side hug, depending on the situation From-behind long cuddles are best cuddles.