There are actually a couple of ways to approach this. One is to do what you normally do, but route out a pocket large enough for the hump. You might still want a dust washer, but a clean hole with the inside edges blackened doesn't look terrible with these sticks either.
If you have an overlay, you can You can also top route for these sticks. This requires some good router skills, but can give you a nice finished look, with the dome above the overlay.
But the easiest way is with a mounting plate. We have these available if you don't wish to use either of the above methods.
RandyT