Lateral Raises to failure, meaning you can’t lift your arms more than a few inches off your sides because you continued doing partials after losing full ROM, are so fucking painful. It might sound weird, but they’re one of the hardest exercises for me to really push to failure on.
Also, doggcrapp is a great example of the “real sets” concept. Whether or not DC training is as effective as it’s fans CLAIM it is, I think it’s clearly one effective method, and it only has you doing 1 triple rest-pause set per exercise. The deads and squats are straight sets not taken to failure, but everything else is just 1 set. If you needed a ton of work sets, DC training would never have worked for anyone.