Adjustment layer

In the video below, Julieanne demonstrates when to use Clarity, Dehaze, and Grain to increase or decrease edge contrast, add or subtract atmospheric perspective, and create structure through grain to seamlessly blend layers.

this video, Julieanne demonstrates how she uses the Pen tool, Layer Masks, Blend Modes, Smart Objects, and a Gradient Map Adjustment Layer in order to create a double exposure effect in Photoshop.