Schilke Tuning Slide Grease Tuning Slide Grease Schilke has developed their tuning slide grease to meet the requirements for easy to use slides but it does not break down as the horn warms up This keeps the tuning slides from shifting while the horn is being played This is a very popular product Schilke has developed their tuning slide grease to meet the requirements for easy to use slides but it does not break down as the horn warms up