What is a correctly formed compound sentence

A compound sentence is made up of at least two independent clauses and no dependent clauses. ... When we take two or more independent clauses and join them together, we form a compound sentence. We usually connect the clauses with a comma and a coordinating conjunction, but you ca

d.) then bernice winced as marjorie tossed her own hair over her shoulders and began to twist it slowly into two long blond braids until in her cream-colored negligée she looked like a delicate painting of some saxon princess. fascinated, bernice watched the braids grow. heavy and luxurious they were, moving under the supple fingers like restive snakes—and to bernice remained this relic and the curling iron and a to-morrow full of eyes.

its repetition emphasizing that the chain is his own. sorry if i am wrong.