On The RobSten Trail For Clues: The Black Backpack

This is one wonderful photo collage that made my day brighter. We have dealt about this before and made allegations. The Mystery of RobSten's black backpack. Here is one more to "concretize"it, or does it? Though it still says two or three more things like;

a. This may be one and the same and they totally into sharing (love that thought!).
b. They bought similar ones to match.
c. They bought one each at the same time, or
d. It's a giveaway from Summit, but where is Taylor's or is he not using it?

There you go. I tested positive to the RobSten dryspell symptoms - I overthink the silliest things.

Thanks to FePattz for the pic.