The best objects don't try to do everything. They do one thing so well you stop thinking about it — and that's the whole point of good design. The moment you stop noticing a tool is the moment it's working correctly.
I've been thinking about this because I've been using the same lemon squeezer for twelve years. It's a simple thing — cast aluminum, two handles, a dome with ridges. It does one thing. It does it perfectly. I have never once thought about replacing it, because there's nothing to improve. It's already what it needs to be.
Compare that to the multi-function kitchen gadgets that accumulate in drawers. The thing that's supposed to spiralize and julienne and mandoline and also somehow make pasta. It does all of those things adequately. It does none of them well. It takes up space and creates friction and eventually gets donated.
The calitoywares approach to objects has always been about this: the thing that does one thing well is worth more than the thing that does many things adequately. That's not a design philosophy. It's a practical observation about how objects actually function in daily life.
Single-purpose objects also age better. The lemon squeezer doesn't become obsolete because lemon squeezing doesn't change. The multi-function gadget becomes obsolete the moment a better version of any of its functions appears. You're not buying a tool. You're buying a temporary solution to multiple problems, none of which it solves completely.
There's a craft and making dimension to this too. The objects that last are the ones made with a specific use in mind. The maker knew exactly what the thing was for. That clarity shows in the object. You can feel it in the weight, the balance, the way it fits the hand.
The California-made goods tradition is partly about this — the idea that making something well for a specific purpose is more valuable than making something versatile for a general purpose. The maker community here has always understood that constraint is generative. Knowing exactly what something is for makes it possible to make it exactly right.
The design thinking that goes into a single-purpose object is different from the thinking that goes into a multi-function one. With a single purpose, every decision is in service of that one thing. The weight, the material, the finish, the ergonomics — all of it optimized for the specific task. Nothing is compromised for versatility.
The lemon squeezer is twelve years old. It will probably outlast me. That's what good design looks like: an object that does its job so well it becomes invisible, and lasts so long it becomes part of the furniture of your life.