Two variations of the technique exist; "one fist", in which the defenders immediately trap the first pass and "two fist", in which the defenders wait until the first pass receiver puts the ball on the floor and starts the dribble, and then quickly closes in and traps. In this situation, a player is waiting for the pass receiver to first commit with the dribble.
- "1–2–1–1 Diamond Press – Full Court – Coaching Guide | Basketball For Coaches". www.basketballforcoaches.com. Retrieved 2016-12-28.
- Gels, Dr. James. "Basketball Defense – 1–2–1–1 Diamond Zone Press, Coach's Clipboard Basketball Coaching and Playbook". Coach's Clipboard Basketball Coaching. Archived from the original on 2011-12-31. Retrieved 2016-12-28.