After asking if Tom had agreed to any of this, Maria rushed to assure her that it was all above board. Rachel had been skepical, but Maria had happily shown her the contract that Tom had signed.
And while Rachel had, obviously, been skepitcal. She was soon shown a video of Tom, sitting at a metal table, wearing nothing but a collar and a diaper. The video had a trainer standing nearby to read out the contracts and confirm that Tom understood and consented to them. Tom happily did so, and then was given a moment to explain himself , the man went off on how wonderful his diaper felt and how free it was to be a diaper dog. After that he signed the contracts and held them up.
As an extra bonus, Maria showed Rachel an extra set of contracts, which could be signed by the human caretaker at any point. These could be used to restore any number of privileges, up to and including status as a human being. Maria was planning on potentially signing that one if she couldn't convince someone to be Tom's caretaker in the unlikely event of her death.
After all that Rachel had decided to give the service a try. If a subject was unwilling to sign the contract, they would either be kept until the hypnosis wore off, or left with their signatory until the hypnosis wore off.
Still Rachel was still feeling...