he Cusco Drift Knob for the BRZ/FR-S enables operation of the handbrake without having to depress the button then struggle to release it during intense driving. Installation takes less than 10 minutes and then you'll be ready to concentrate on your drifting career. While driving, the metal knob stays depressed to allow for easy pulling of the e-brake. To use the e-brake simply pull the knob up/out and then engage the e-brake