Sand the surface of the desk until smooth.
Remove the hardware, then apply the base coat with a 6 1/2" seamless foam roller, then allow to dry.
Mix several drops of violet and black tint into half a painter's bucket of latex glazing liquid.
Apply the glaze in small sections, then wipe off with cheese cloth.
Apply glaze to the hardware.
After the glaze is dry, reattach the hardware.