They don't provide the why, the most important part... If I were to guess it's because gloves make it harder to handle the books so you risk damaging them. Glov

They don't provide the why, the most important part... If I were to guess it's because gloves make it harder to handle the books so you risk damaging them. Gloves (in the right material) that fit your hands perfectly are probably better than washing your hands, but those don't really exist!