Artistic licence in this picture not how the exercise is done
PC: Josh Hawkins Wearing Lululemon
Most of my clients would probably disagree with me but I love this exercise! It is a great booty burner and it features in the majority of my workouts. The best way I like to do these is in a drop set over 3 so you pick a heavy, moderate and light weight doing 8 reps of each all on one leg then repeat. The key is to keep the movement slow and controlled as you lower. Leaning slightly back will hit the glutes a bit more and be sure to make the movement initiate from the back leg bending.
Next time you do legs make sure you add this in !