Best Brass Trumpet Straight mute - Brass. AWM Our Professional valve oil is

Our Professional valve oil is the standard weight and is perfect for most instruments

and rotated 360°

You may not use it often

Tuning slide material: Inner/ Outer Yellow brass

Using the original Glenn Cronkhite design

Best Brass Trumpet Straight mute - Brass. AWM Our Professional valve oil isStraight mute Brass. Best Brass straight has a dark and rich sound from its pianissimo in all registers, while it still is hard to accomplish that with traditional straight mutes. Especially, the difference in low registers is a definite advantage. Also, a lot of conventional straight mutes actually have their pitch intonation issues. If you just need Straight sound, that might be ok, however, those mutes are useless for most of the professionals.