In the design, anger is expressed through the use of spikes and sharp edges. These elements evoke a sense of aggression and intensity, symbolizing the raw emotion of anger. The sharpness of the design reflects the sharp and piercing nature of anger, while the spikes convey a sense of danger and unpredictability. Overall, the choice of these design elements visually communicates the tumultuous and explosive nature of anger, making it tangible and palpable through the jewelry piece.