Thanks Puter for the correct wording of the 'anchor ball'. I couldn't remember what it's called. But if you put that as a search at West Marine, you get this thing that is hoisted above a boat to indicate that it is anchored. They have it listed as an "Anchor Retrieval System". See link below.
WoodNfish, check out this link:
http://www.westmarine.com/webapp/wcs...allpartial/0/0