20 Most Useless Inventions Ever Made

From glue sticks filled with butter to shoes with an in-built air conditioning system, we count 20 of the most bizarre and utterly useless inventions some people actually believed might take off in mainstream culture.

 

20 Most Useless Inventions Ever Made

From glue sticks filled with butter to shoes with an in-built air conditioning system, we count 20 of the most bizarre and utterly useless inventions some people actually believed might take off in mainstream culture.