They mimic the appearance from the Glock switch but provide no mechanical function. They’re tiny, at times 3D-printed, and are sometimes applied as conversation starters or unique collectibles. These equipment are generally crafted from light-weight plastic or metal and therefore are non-useful—this means they don't and can't alter a firearm. https://switch-glock92210.blazingblog.com/34817687/an-unbiased-view-of-glock-with-a-switch