Ask someone who has effectively implemented a nutrition plan (perhaps with the goal of enthusiastically removing their shirt on sunny days) about what they cook at home. You’ll find that their favorite recipes are never found in a cookbook. Instead, they are the results of reckless culinary experimentation, cobbled-together remixes of common dishes. The cook rarely knows what to call these Franken-recipes: turkey..thing? Power coffee? These are children with no name.
In the Star Wars universe, students of the Force must build their own lightsaber before they are accepted as Jedi.
Here in the regular wars universe, aspiring masters build their own tools.