No matter how many lighting modifiers you own, there is almost no setup that will not require some sort of customization, which is why a good understanding of the fundamentals of how light behaves and how to shape it is so important. This great video tutorial will show you a useful exercise for creating dramatic light using just a shoot-through umbrella and some v-flats, and even if you own more specialized modifiers, it is excellent practice in the problem-solving skills needed for mastering lighting.