Masking tape (optional, to secure the watercolor paper)
Draw a light sketch with a pencil.
Prepare color No. 40 in a medium consistency and paint the heart lock shape with a round brush (size 8). Let the painted layer to dry.
Take a brush (size 4) and paint the heart’s side with the color No. 39 in a thick consistency. Now, paint a layer of shadow using the color No. 39, as shown in the example. The paint consistency should be medium. Allow the illustration to dry.
Paint the lock’s details in colors No. 42 and No. 47. Let the painting to dry completely.
It’s time to add the final touches. Choose a small round brush (size 2), and paint details in the following colors: No. 38, No. 39, No. 46. All paints should be of medium consistency.