I did know that adoptive mothers can eventually breast feed, after much patience. Weirdest thing I have learnt this week: transsexuals can breast feed (link). I found this out from a BDSM site where a slave who had never been pregnant wanted to lactate for her master. She wanted to be “like a good little cow”, a “farmyard animal” and was seeking a breast pump such as they use on small animals for the purpose.
If slaves are obedient and pleasing they are ‘collared’, sometimes in a publicly witnessed ceremony, and ‘owned’. Similar to marriage in our vanilla world, but the commitment is much greater.