Physics based PolyCloth allows you to:
Add wrinkles and folds to your meshes with a powerful brush.
Move your mesh like a cloth and simulate cloth behaviour
Use shrink brush to pinch surface of cloth
Use expand brush to increase surface area of cloth and add wrinkles
Use smooth brush to smooth out wrinkles on cloth
Quickly add cool cloth details in a few seconds
And much more depending on the artist's creativity :)

Stay Creative.