Yugoslavia's version of the Ford Pinto. Every bit as clunky and dangerous, but killed by comedians rather than Ralph Nader. See also Communism.
3. Comet Pills
Pills that were sold in the early 20th century, around the time the Earth passed through the trail of Halley's Comet. The pills were meant to protect against the gases in the trail, but they were clearly bogus. See also Old-Timey, Space.
A tomato plant's stem grafted onto a potato plant's roots. Sometimes referred to as "French Fries and Ketchup". See also Unnecessary.