I have a design concept for a trademark logo (crest) that can potentially generate a lot of sales, my aim is to market this trademark logo to big fashion companies like Sean Jean, Nike, etc... Unfortunately I cannot desclose the idea, but I am 100% sure it will be a hit. Please, could someone put me through a step by step guide on how to market my idea to existing companies? I am currently using 3d to design it, and I need to write up a proposal to submit to companies. Can anyone help

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