Yes you can give it attuned items that you have worn.
The general rule is, if it's 'Treasured' quality or higher (armor, weapons, spells) you can drop it on your sacrificial altar. Also, like Cyl said most tinkered items can be given, but I want to say you only get 25 faction for something like gnomish stilts...so it's not really worth it just for that.
Edited, Nov 22nd 2010 10:55am by Dyadem
Edited, Nov 22nd 2010 1:28pm by Dyadem
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Things I sometimes play...
"What do you want to be when you grow up?"
"I want to be a unicorn!"
"Awww, why's that?"........
"So I can stab people with my face."