Slide-O-Mix Trombone Lubricant gives your slide a fantastic glide. It is a 2-component liquid lubricant, which adheres very well to the slide surface. There is no sticking or stopping of the slide. Slide-O-Mix is very economical and easy to use – even for beginners. Slide-O-Mix is the lubricant of choice for many internationally well known trombone players and can be found in many well known orchestras.