Utilizing trick plays gives your program several advantages. Among those advantages are:
In this video, Matt Rosati, retired Head Coach at Perry High School (OH), goes through some of the tricks he has used during his career.
His entire clinic which covers special teams as well as offensive tricks is called "Tricks & Treats to Become an Unpredictable Opponent: Simple Wrinkles That are Fun & Easy to Install into Your Offense & Special Teams" and is available on Glazier Drive
Openers: Plays that start a series are great times for trick plays.
11 openers per game is the average.
You also get a first play of every game where the defense isn't prepared. It is a good time to be creative.
Ideas for designing openers: