Supersets and giant sets work well for inducing metabolic stress, especially those that stress the muscle at different lengths.
Here's a skull crusher variation where I lower the bar to my nose for 10 reps, then to my forehead for 10 reps, then behind the head for 10 reps. Try it!
Doing this glute-builder in a rack acts as a depth gauge, much like box squats. It keeps your form in check and it makes it easy load and unload plates.