Where can I buy the Nike SQ Sumo 3 wood?

I've been looking for a Nike SQ Sumo 3 wood that is right-handed, and R flex, however, I cannot find one new or pre-owned at any store or any reliable web site. If someone knows where I can find one from a reliable web site it would be a great help.
Update: I've been looking for a Nike SQ Sumo 3 wood (round head, not square) that is right-handed, and R flex, however, I cannot find one new or pre-owned at any store or any reliable web site. If someone knows where I can find one from a reliable web site it would be a great help.
3 answers 3