Tek Mahogany Round Brush with Reinforced Wild Boar Bristles. A combination of high-quality raw materials, ergonomic design and resistance to high temperatures: the new mahogany round brush from TEK. Chosen for its resistant and lightweight qualities, the mahogany makes this brush extremely handy, allowing you to style your hair without straining your wrist. Its hexagonal shape and pro-grip design also make it ergonomic and slip-resistant.