User blog comment:QueenBuffy/HBO's Season 4 Vine Teasers/@comment-5014364-20140110204726

Arya is holding Needle, I recognize the hilt. Also the guy charging the iron gate in a tunnel is a Giant: you can see he has the same "swaddling clothes" style costume and his facial features are different (a far cry from the books, in which they were Wookiee-like/Bigfoot-like).