In short, you need to start selling some - once you can demonstrate sales and a sufficient mass that`s when a sponsor will more than likely be most interested.
For example if you`ve tested the market at 3-5 colleges and sold x units in each, you can demonstrate a roll out plan that I am sure will be a very good demographic for advertisers to reach. Know your demographics - is it 16-24, 16-34, etc
It appears that it has attitude so target similar brands - Srixon in golf for example. (although I have to say that "traditional" golf companies tend to be very cautious - especially if it is to highlight ungentlemanly play)
The site is a great resourse - but the other option is to license the idea to a retailer - harder to do but you then have a guaranteed distribution. The options to extend in to clothing, bumper stickers, etc are pretty limitless
Making International & Domestic sales easy on a No gain, no fee basis.
Benenift from the management of Snowflake Media who have generated sales of over $300 million in the past 6 years.