Complex sentence: Charlotte was punished for this by having her pockets sewn up or being made to stand with her hands tied behind her back in the corner, these measures did little good as she soon went back to her old ways.
Split into simpler sentences: Charlotte was punished for this by having her pockets sewn up or being made to stand with her hands tied behind her back in the corner. However, these measures did little good as she soon went back to her old ways.