The Third Hand is a fellowship of vislae who seek to use their powers and knowledge together for personal gain. While this could be said to be true of teh various orders of vislae as well, the Third Hand is more overt and direct. Its leadership votes on an overall goal for the entire membership, teh members all work toward that goal, and when it is achieved, they reap the benefits, if any.
In the past, members have sought to find a way to conjure a sunship (that effort failed); they sought to learn a long-forgotten pact with Green nature spirits (that goal was reached); and perhaps most impressively, they found a cache of objects of power and artifacts of the Legacy.
Currently, they see the lost Book M, thought to be one of the greatest treatise on magic ever written.
Membership requirements include a pledge of fidelity (backed by magic) and a demonstration of a valuable (and preferably unique) skill, talent, or magical ability.
The Third Hand is based out of an abandoned doll factory in Fartown (not surprising that business failed, since it's no place for a factory). Their council of leaders currently has only three members: Oleald, an older 4th-degree Vance; Kiraric, a 5th-degree Goetic; and Paredthe, a 4th-degree Weaver.