The stabilizers are PCB-mounted, which is preferable to the typical plate-mounted units that many keyboards use, and are lubricated from the factory. The lube on these stabilizers, while a bit excessive (there were small clumps of lube visible on the outside housings, which is not typical), feels great. The stabilized keys are smooth and consistent, with no audible rattling or sticking when typing. But as it turns out, the greatest downside of this keyboard is, also, the material choice. As much as unsealed, raw concrete is quirky and fun, it is ultimately a utilitarian material: It’s heavy, has an inconsistent texture, and stains easily. During my time with this keyboard, it gathered quite a few smudges and stains, nearly all of which had unknown-to-me origins. Maybe they came from cleaning sprays, or from something on my hands, but I honestly have no clue. Depending on your perspective, this can be a flaw or a bonus. What some consider dirty, others will see as “patina.” But as someone who likes keeping their electronics squeaky-clean for as …