A partner capture is when you help each other down obstacles that would otherwise be too difficult for one person by themself. A partner capture is especially useful for the last person down. One person can act as meat anchor for everyone else, then when everyone else is down, the last person is captured by the group.
Don't underestimate the value of partner captures. Partner captures can save a ton of time and make the trip a lot safer than doing it "every man for himself".
There's more than one way to catch a person, but it seems to work best most of the time if there is one person to catch each foot. The person falling has to keep their knees locked and lean back against the rock. Instincutually people want to bend their knees to brace for impact and to keep their center of balance forward, but this can cause the last person to fall forward on their face.
Instead of grabbing their feet, another good option is to push their thighs into the rock to add friction and slow down their slide. So instead of pushing up on them, you're pushing forward on them.
If the two people catching the last person are on sloped or unsteady footing, it can be helpful for a third person to either brace their feet against slipping or brace their backs against tipping backwards.
If the drop is too tall for a single level of people, you can also build a human pyramid to catch the last person. This honestly only works some of the time, so be prepared for the human pyramid to collapse, and make sure that if the pyramid does collapse, people aren't going to get hurt in the process.