Don't underestimate the strength of prototyping. Many times the advantages of prototyping an invention are generally played down or completely ignored when "experts" decide to use the issue. But turning your idea into a product sample is probably the most important part of inventing. And if you're not convinced here http://jaredndqs92479.blogs-service.com/19014703/why-prototype-your-invention-five-good-reasons-to-build-your-idea