It wasn't easy
It wasn't easy at first. Monica had to reach out to almost 40 different manufacturers to make her product. Finally, she found two who were willing to take a chance on her budding company.
A huge reason for the pushback from manufacturers was that Monica's vision was somewhat disruptive of the current paradigm. Many manufacturers didn't believe that her company vision was going to be profitable. Anytime you go against the grain, people tend to doubt that you can really bring results.