Hitchcock's techniques for suspense

The suspense that builds is the kind that pretty much let's us know what is going to happen but yet it takes forever for the climax to build. Through out the building of the climax, the hints continue to stack up which clear what is ahead.

The Twilight Zone

They created suspense by creating a dilemma under the bandages throughout the whole show. With others trying to explain how 'ugly' she is. Every scene we get closer to seeing what's under the bandages. By the time we the audience were going to unravel the mystery were already at the edge of our seats. It was very well sequenced.