When I have read a book more than once I might take it out and just open it in the middle and begin reading. Next time I pick it up I will open it again and read a different section. I have read the book Cheng Tzu's Thirteen Treatises on Tai Chi by Cheng Man Ching probably three times. This time I picked it up and opened it randomly and read. I came across a few paragraphs about The Beginning Posture which by the way was in the middle of the book. Cheng Man Ching wrote "The Main Purpose of this movement is to begin opening and relaxing the wrists. The wrists change six times."
The next time I practiced the form which was almost immediately after reading this, I paid more attention to my wrists. Not only in the beginning but throughout the form. It was like I was hearing this for the first time.
Suddenly my wrists and fingers seemed to come alive throughout the form.