If you want to make your hair more volume, note the haircut with layers. Any barber or stylist in the salon will advise you this option if you want to bulk haircut. Of course there are exceptions. It is very thin and sparse hair, and as much climbing. In these types of hair layered hairstyles will not look good.
Cascade can be easily laid. All that is needed is a round hairbrush brush or tongs. Suffice it slightly curled hair ends and you have prepared a stylish and bulk packing. You can also use large rollers, which will create volume and curl the ends.