In answer to your question about does the site get anything.. Yes but it is a very very small amount and not immediate.
Cafepress only send out proceeds once they hit a certain amount.. usually about $25.
The funds do go to keeping the site going and paying for upgrades, server space and maintenance etc.
As far as the adjustment on the hat.. not sure except it is not the plastic snap type.
Patriot Guard Rider
2000 VN750 Sere (Serendipity)
1990 GL1500 (Ole Blue)
1986 VN750 EVie (project bike, heavy custom)
VROC # 11628 / 25000-H
ARVROC # 12 Coordinator and Crowd Control
OKVROC # 18 (H)
TNVROC # 45 (H)