Keys of Knowledge - READING COMPREHENSION STRATEGIES cut out. PRINT, CUT, LAMINATE, PUNCH A HOLE and add a key chain and presto! Great for ESL Students. Teach students how to read to comprehend step by step with this handy manipulative. Add them to your key chain with your other Keys of Knowledge! Students will learn to be strategic about reading and answering reading comprehension questions with these step by step instructions! Perfect for small groups and large groups.