Yes, you need to first create a prototype or at least avery good detailed set of drawings to explain how the product will work and all the features (buttons, ha

Yes, you need to first create a prototype or at least avery good detailed set of drawings to explain how the product will work and all the features (buttons, handles, colors, shape etc). Once you have the basic construction of the product you can pitch it to investors or manufacturers and see if you can convince them to take some risk and work with you on it (both of then).