#PetzlTips – Hauling A Second on a Multi-Pitch Route – Quick Technique In this Petzl Tips video, we show you the easiest and fastest way to help your second through a tough section (using a 3:1 haul system with the REVERSO). If this quick technique isn’t quite enough, you can level up by checking out our previous tip on hauling your second with a MICRO TRAXION. | Petzl