The variation of the band pull-apart method has you doing regular reps, but slower than usual. This is more for muscle-building than improving weak spots or improving the role of the back in the bench press.
Depending on your objective, you can vary the approach. It's practically impossible to overdo pull-aparts, so use them often.
The original Bad Santa reveals the best assistance lifts, the best posterior chain movements, and the merits of the box squat as opposed to the standard squat.