Originally posted by Philip Kim:
... push-off double lift.
Dai Vernon had a good idea about this which also works for second deals.
On the other hand, the description in Expert Card Technique has been a source of much amusement for many years, leading to one wag to publish a similarly described perfect coin vanish.
If you can compromise the integrity of your props (cards in this case) then the technology for making some sleights almost effortless includes roughing fluid, saliva, wax, paperclips, threads and magnets. Let the needs of your routine guide your quest for methods.
Maybe you could let us know what you find works well for you. :)