Modularity is a convenience we often take for granted. Many of the important items we purchase use modular designs to allow customization and upgrades, either at the time of purchase or later down the line. For example, look back at the early days of the automobile. In 1909, Henry Ford famously said each Model T buyer could “have a car painted any color that he wants so long as it’s black.” Fast-forward to today — when you buy a new truck, you’re presented with an almostoverwhelming list of submodels, trim levels, factory options, and dealer-installed equipment. Would you like two-wheel drive or four-wheel drive? Gas or diesel? How many doors? Which bed length? And we won’t even get started discussing all the paint colors, upholstery styles, and other cosmetics you can pick. Since our vehicles are expensive items we rely on every day, it makes sense to consider the options carefully before buying.
Flashlights are another important tool many of us rely on daily, and we’d argue that the configuration of your flashlight can be just as important as the configuration of your vehicle. Much like settling for a two-wheel drive truck might cause you to get stuck in the middle of nowhere, settling for a flashlight with low output or short
