Lady Victoria felt that she was not respected by this slave and so she used her boots to degrade him and to humiliate him. He had to stop the nonsense he did and that is why she used her boots to stomp the nonsense and disrespect out of him. He cried as the pain got to him and he changed because he did not want a repeat of what he felt.
This mistress knew that she had to make sure this slave stopped being forgetful. He was too forgetful for her liking and she made sure it all changed when she used her boots to trample and torture him. As a bonus punishment, she made him lick the boots after she was trampling him. He was obedient and did all she asked him to do as he did not want to risk further punishment.
Lady Karame wanted to test her slave so she asked him to lick her gumboots but he did not do it. He refused. She got pissed as she felt it was disobedience. So she forced the loser to lick her soles. She was wearing red gumboots which were muddy. He had to lick them clean before she let him go and warned him never to refuse to do what she asked.
Mistress BlackDiamoond and Lady Chanel are having fun together with their slave and using him as a butler to teach him his place beneath them. They start off by ordering him to lick their boots clean with his tongue when they decide that he can do a better job if they sit down and make him suck on their filthy heels. Then she make him serve them drinks while they relax.