the ultimate warmup mute. it’s science.
the heisenberg.
tell me about it.
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        ease and consistencyeasy playing with even resistance across the entirety of the horn. 
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        in tunegone are the days of warming up 10 cents sharp on a practice mute, the heisenberg plays in tune…or atleast as well as you do. 
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        looks greatself explanatory 
pudding
or as we like to say:
where the proof is.

