Supplying item mock-ups can save manufacturers time and make their job much easier. If you worked for a dish maker and had a last minute meeting with a retail buyer, which would be simpler to grab and provide: a portfolio of images and patterns or a portfolio of images and patterns, that also had photos of plates, mugs and serving pieces with those patterns on them? The second naturally. So mocking up your designs may be what offers you an upper hand and gets you an offer. ...

Some well known business that use Double Licensing are: RedHat Inc, MySQL, AB., Sleepycat amongst many others. These companies one hand draws in designers and people who desire to move the Open Source motion, and on the other, they wish to make some lots of money with dual licensing. ...