tools

Harrelson Trumpets
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Picture

gap solutions made simple


Increase Flexibility

Adjust Slotting

Increase or Decrease Air Flow



Harrelson solutions simplify the process of Solving Mouthpiece Gap issues

How to achieve optimum Mouthpiece Gap in 3 easy steps - Part 1
Achieving Optimum Mouthpiece Gap in 3 Steps - Part II
Harrelson Shim Kit to reduce gap: A Survey of Thirty-one Mouthpieces

Mouthpiece Gap Measurement Tool

$48.00


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Mouthpiece Venturi Measurement Tool

$52.00
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Complete Mouthpiece Gap Solution Kit

$125.00


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Picture
  • Performance
    • Build My Mouthpiece >
      • Intro to Mouthpieces
      • Artist Series >
        • Artist Bodies
        • Artist Rims
    • Mouthpiece Components >
      • Rim Sizes
      • Cup Sizes
      • Throat Sizes
      • Body Sizes
      • Backbore Sizes
      • Nut Sizes
    • Increase Efficiency >
      • Mod Kits
      • Finger Button Options
    • Adjustable Performance
    • Adjustable Peformance Tools
  • Advantage
    • The Harrelson Story
    • We have Your size
    • Technology
    • Trumpet Momentum
    • 100% Guarantee
  • Instruments
    • Muse Modular MMXX
    • 2021 VPS Summit G-Series
    • "X" Series
    • Limited Editions >
      • Summit One
      • Summit Midnight
      • Summit Art
    • Bravura Series >
      • 2021 Bravura Flugelhorn
      • 2021 Bravura Piccolo
    • 2018 VPS Summit Series
    • HT6 - Kickstarter 2022
    • VPS Summit Eb
    • Acoustic Armour
    • Trumpet Gallery
  • News
    • Lessons Link
    • Teacher Information
    • Weekly Trumpet Challenge
    • Get Social
    • Clinics & Tours
    • Our Clients >
      • Client Features
    • Jason's Blog >
      • Jason Harrelson
    • Jen's Blog
    • Company History
  • Clients
    • Contests & Winners
    • Order My Trumpet >
      • Leadpipes & Bells
      • Tuning Slides & Bell Crooks
      • Receivers
      • Bottom Cap options
      • Water Keys
    • Contact Us
    • Shipping
    • Instrument Registry
    • Acclimation
    • Maintenance
    • Roots of Music
  • Store