Complex sentence: Mousquetaire gloves have buttons at the wrist so the wearer could open the buttons and slip their hand out without taking the whole glove off the finger section would be folded in and kept away tidily.
Split into simpler sentences: Mousquetaire gloves have buttons at the wrist so the wearer could open the buttons and slip her hand out without taking the whole glove off. The finger section would be folded in and kept away tidily.