GPC Air Bag Size:5L The HR* CUSTOM DARK is

The HR* CUSTOM DARK is our premium line of hard rubber saxophone mouthpieces

Crafted with precision-tuned bars for accurate pitch and a warm

Digital never felt so grand

Jody Espina has added greater thickness and heft together with more pronounced side curves and extreme contoured edges both top and bottom

offers optimal protection

GPC Air Bag Size:5L The HR* CUSTOM DARK isUsing a five or six liter rubber bag, inhalation and exhalation can be practiced. Since the same air is breathed, carbon dioxide, rather than oxygen, is transferred avoiding hyperventilation. Practice emptying and filling the lungs by slowly rebreathing air several times in a row. In this exercise the muscles of enlargement will learn to work apart from the muscles of reduction. It is important that the lungs go from extremes, empty to full.