This video is produced by Hand Winch NZ/AU (https://www.handwinch.co.nz/ ).
It shows a More Power Puller from Wyeth Scott (capable of pulling up to 5.4 metric tonnes) hand winching a 4WD ute with the handbrake on, up a 15-25 degree slope. Both a double and quadruple line pull are demonstrated, using snatch blocks, extension ropes and tree anchors.