A slave is only there to: swallow. First the dildo as deep as possible, then she should work on his cock and swallow the sperm. Can she do it?
Ponygirl has to go in a cage. Not enough place to move. But this cage will be her new home.
As a new slave, you first have to get used to not being free any longer and carrying your equipment. Let's give her some time.
Nipple squeezers are a good item to get information out of prisoners. But not if they are gagged, how mean.