Tension rods pull the reflective fabric taut to maximize the light cast. The Eyelighter 3 allows you to achieve beautiful clamshell lighting with a single light source. But it doesnt stop there. With the Eyelighter 3, you get 3 high-quality fabric choices for reflecting studio or ambient light. Changing fabrics is a breeze. The Eyelighter 3s framework features a secure quick-lock system with an easy push-and-release button for fast assembly and teardown. Its arc-shaped design matches the natural curvature of the human eye, resulting in seamless catchlights without unflattering shapes or gaps.