If you would like to attach the dryer lint brush to a drill it connects just like a regular drill bit, here are a few easy steps to help you:
Open the bit holder all the way
Insert the non-threaded end of the extension rod.
Tighten for a secure fit. (secure the rods with duct tape for extra protection)
This method can be used in tight angles, simply use the drill on a low speed while using easy, steady pressure