A linkwheel is a group of web 2.0 sites that link together with specific anchor text and then all point to one main site so that they can push higher juiced links to the main site thus increasing the chance of better ranking.
How can you do this? The easiest way is to hire a SEO on Edit (Moderator): Link removed
and have them do it for you. The cost is worth the amount of time it will take to complete it.