The 4-7-8 breathing technique is a simple yet effective relaxation method that involves inhaling for 4 seconds, holding the breath for 7 seconds, and exhaling for 8 seconds. This practice is designed to promote relaxation and reduce anxiety, making it particularly useful for individuals facing stress or nervousness before speaking. By focusing on the breath, it helps calm the mind and body, allowing for better control over emotions and improved performance during public speaking.