Complex sentence: The black threads were replaced with red, but the delicate wool ropes are still a "cottage industry" among people in the countryside, who comb out the wool, dye the floss, and twist it into thousands of tassels.
Split into simpler sentences: The black threads were replaced with red, but the delicate wool ropes are still a "cottage industry" among the country people. They still comb out the wool, dye the floss, and twist it into thousands of tassels.