The length of a sentence isn't what makes it hard to understand; it's how long you have to wait for a phrase to be completed.
Concrete ideas to modify and expand this hack go here.
Freeform discussion of this hack goes here.
In the printed book, the URL for "Verbal Working Memory and Sentence Comprehension" is incorrect; the URL above is correct.
This hack is excerpted from Mind Hacks, by Tom Stafford and Matt Webb, in which it appears as Hack #51 with the full title "Stop Memory Buffer Overrun While Reading."
This is a page for a hack from the book MindPerformanceHacks by Ron Hale-Evans.