I was taking my valves out for oiling and the 3rd one got stuck. I pulled it really hard out and it looks like the little plastic bit broke (the left one
How To Fix a Stuck 2nd Valve: Pushed In Slide - YouTube
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What is this brown stuff on my valves and how do I permanently get rid of it? : r/trumpet
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So basically, I ran out of trumpet oil a week ago and the keys won't stop sticking. Any advice or replacements for the trumpet oil you guys use? : r/ trumpet
How To Fix a Stuck 2nd Valve: Pushed In Slide - YouTube
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How to oil sticky, sluggish trumpet valves
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