Thank you for the great video, sir. To adjust the gap between the clamp and the rubber dam, slightly widen the clamp with forcep so that the rubber dam can be properly seated. If that still doesn't work, you can use the liquid dam."
@6:00 don't use liquid dam! Just release the dam! Dr. Stevenson explains it very well. The dam will not have a long term seal if you don't get the dam inverted on the primary clamped tooth. Might not be crucial if you're working on a tooth far from the clamp, but for the patient's sake, don't do it that way because water will continuously leak into their mouth