Trombone techniques involve various methods to produce sound and achieve musical expression. Players use their lips, known as the embouchure, to create vibrations while blowing air through the instrument. The slide mechanism allows for pitch variation, enabling players to perform glissandos and smooth transitions between notes. Additionally, techniques such as trombone vibrato and lip slurs enhance musicality. Vibrato adds warmth and richness to the sound, while lip slurs help in moving between different notes without using the slide. Mastering these techniques is essential for effective performance in genres ranging from jazz to classical music.