The wings fold up and take up little space. Some bats use their wings to keep them warm when they are sleeping. Bat wings are specialised for flight and are capable of aerobatics. Bats are very aerobatic because they can adjust their wings in flight just like we can move our fingers. This ability gives them greater freedom of movement.
Bats are very manoeuvrable.
This means that bats can fly fast or slow. Turn quickly, dart up and down or even do flips when flying. All bats are referred to as Chiroptera , which is Greek for hand wing. In comparing a bat wing and a human arm and hand, we can in fact see why the term Chiroptera originates. Comparing a bat wing to a human arm.