Ok, so, without a CAM version of the movie (and nothing on google, that I could find) I could not find any images of the chems container necklace. I would be interested in finding out what it is too.
Here is the Bourne Legacy inspired dog tag necklace that I use for daily carry. While its not exact I still think its very similar yet adapted for normal use. As the film's dogtag was custom fitted for a specific pill the one I have has been altered to hold different sized pills as efficiently as possible :-D
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The main one I wanna make is the necklace that carries the green and blue pills. Its a dog tag looking case.
I am looking for pictures to show but with it being so new I couldn't find any. I will upload any if I find them