Cricket Technique #310 1\” Thermal Brush Description Known for high quality, the Korean made Technique Thermal Brushes are the go-to brush to create anything from the classic, Hollywood va-va-voom body do to the ultra-sleek chic look. Technique Thermal seamless barrel brushes features high-heat and anti-static bristles that have tourmaline ionic properties, that help close hairs cuticles, this assists in creating a smooth and shiny finish. To help section hair while styling, the brush has a patented sectioning pick conveniently stored in the base of nonslip grip handle.