How they do it: Gillette pioneered the system of single-use razorblades as consumables. By being the only manufacturer of razor blades compatible with its razors, customers have no choice but to buy Gilette’s razorblades once they own the razor.
Razor And Blade
How they do it: Gillette is the name giver of the razor and blade business model. Selling its razors at a loss / at cost, it creates a lock-in effect and can make a profit with consumables compatible with the razor, which has a significantly higher profit margin.