In the following sentence:
I don't understand how the part in bold fits into the sentence. Without that part I have
When 彦一 saw the remaining baggage (stuff in bold) there were only heavy looking things left.
The bit in bold I think is "bento boxes containing everyone's rice balls and the like". How does that fit with the rest of the sentence? Is it just a parenthetical statement describing the baggage that 彦一 saw?
I recently came across this link which suggested similar constructs were not possible. Under what circumstances can I use such a construction. For example could I say "If bob goes to Tuvalu -- a small island in the Pacific ocean -- he will need to take a towel" using the same grammar? Here's my attempt: