SeenTh.at Movie List View

This is the movie list view design for a user's movie list of movies they've seen.

Do the squares w/ 3 lines on the left side of each list item make sense? Do you know what they do?

Any suggestions? Thanks in advance!

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SeenTh.at is a social sharing network for movie lovers coming ~January.

SIGNUP for private beta testing ~January here:
http://seenth.at/

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Hello. I'm a freelance Web & Product Designer