The Holy Panda was a six-month frankenswitch project for most of its life. The Drop Holy Panda X is the first version where the geometry, the spring tune, the housing pairing, and the factory lube were the spec — not the mod.
Swapping the spring is the most-discussed mod that does the least of what builders expect. Here is what the spring actually controls, what it does not, and when the swap is worth the afternoon.
Switches are the single biggest factor in how a keyboard feels and sounds, and the catalog has grown overwhelming. This guide narrows the entire market into three families, explains who each one is for, and gives a three-step path from curiosity to a confident first purchase. By the end, the reader can pick a category without second-guessing.
Thin POM shims between your switch housings cost five dollars and promise a tighter, better-sounding switch. The mechanism is real. Whether it matters on your specific switches is a separate question.