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A few more...

http://i585.photobucket.com/albums/ss291/thediggybave/68FF18DB-0AB3-429F-B629-ABD6170ABE06_zpscbcsl9gh.jpg

http://i585.photobucket.com/albums/ss291/thediggybave/IMG_2978.jpg
...

Not sure, presumably hold the tuna can into the case?

Recent arrival.

http://i585.photobucket.com/albums/ss291/thediggybave/9D49D3C9-443C-47E9-8283-34EE797EB557_zpsimxvqs2l.jpg