I never managed to master this one either but to be complete: Found on page 126, in The Tarbell course in magic vol. 4. See picture for instructions.
First a double lift and take the cards as one in the right hand on the fingers. Ring finger on the top right corner, thumb on the bottom right corner index finger bends the cards downward let the cards shoot from the thumb to shoot it to the left hand (or from the ring finger […]
Cards jumps from right to left hand package and from left to right. (as seen on David Blaine Video Street Magic and even better on his “Showman” tape). Take cards in left hand and do similar to a snap double lift (Larry Jennings). i.e. the top card is buckled (curved) and you put your index […]