Clurexa on Instagram: "The post shares a 17-second video tutorial demonstrating a DIY hack: rubbing oil onto a cracked motorcycle speedometer cover to fill micro-cracks and restore a smooth appearance temporarily. It has amassed 183,000 views and 321 likes within hours, drawing surprised and positive reactions from Indonesian users eager to try the simple, low-cost fix. The method works by matching oil's refractive index to the plastic, minimising light refraction at cracks, as noted in similar