Review the original item:
The grip of the pantyhose, the stranglehold of the scarf, and the bite of
the tight shoes made Rachel want the interview to
end, she
longed for a cotton T-shirt and jeans.
You wanted to fix it this way:
The grip of the pantyhose, the stranglehold of the scarf, and the bite of
the tight shoes made Rachel want the interview to
end; however,
she longed for a cotton T-shirt and jeans.
One way to fix a comma splice is to use a semicolon and a conjunctive adverb like however. You must choose your conjunctive adverb with care, though.
However is a contrast word, but the sentence above does not require a contrast transition.
You might want to consult the rules for fixing comma splices and fused sentences.