Slider Core-EjectionSlider Core Ejection Employing a pure ejection design, the Slider Core Ejection delivers an explosive burst of force the moment you push it up or down. Crisp feedback intertwines with smooth touch, turning every push into a burst of stress relief. The satisfying snap upon ejection is bright and clearplay once, and it only gets more addictive. TIP: All Slider Cores need to be matched with the Slider Shell before they can be assembled and played