Demonstrate that you are always looking out for the client's best interest. Make it clear that finding the right fit is more important that making the sale. If you do these things right, you just might become the vendor they all are hoping will win.
That video depicts a trio of playful young girls setting up an elaborate Mouse Trap-style apparatus to the tune of the Beastie Boys' classic hit, "Girls." The lyrics are rewritten to empower girls who are tired of seeing only pink, princessy toys for girls.