MUYI (NAYICI) ERASER CORE Fidget Slider

The MUYI ERASER CORE Fidget Slider delivers premium, customizable fidgeting in a minimalist and portable design. Engineered with a unique three-track system, it offers three distinct sensory modes: a crisp mechanical click (single track), a low-noise chamber resonance (dual-track), and a rich layered feedback combining density, resonance, and tonal variation (tri-track). Designed for personalization, it supports tool-free installation of 3x22.5mm luminous tubes or tritium vials without glue. Each set includes spare beads, springs, screws, a screwdriver, and accessories for tailored haptic adjustment. With no rope hole and a sleek form, it’s built for discrete, on-the-go tactile satisfaction.