Understanding masks and masking techniques are essential to understanding how to use Lightroom to edit your photos. But Lightroom masks aren’t all they’re cracked up to be and you can easily misuse them, which will damage your photos.

Last week we featured the first of a two-part beginners guide to nature and wildlife photography from expert Janine Krayer—a photographer and instructor who spends much of her time teaching workshops and photographing exotic animals in the wilds of Africa.