For example, the Tesco supermarket chain sells a "value" range of products in garish (red, blue, and white) packaging to make them appear unappealing and inferior to their regular brand.
An example of this method is coffee companies who hide or downplay cheaper drinks in the hope that customers will buy something pricier.
Starbucks and Coffee Republic, who both have a product called "short cappuccino", are known to use this practice.
IBM did this with a printer in the 1990s, where an economy version for a home user was the top-of-the-range model with a microchip in it to slow it down.
(Officially this was done to chips where the floating point unit was not working properly, but the CPU was fine.