Kommandos were part of the KT box set, so people might be selling sprues second-hand?

There won't be any official means of buying just a Slasha Boy.

Most models will have at least a guy on the side, regardless of if they say that they're single or not. Even if they're in a relationship they will have a sugar guy. So finding a "single" model isn't really that difficult as long as she likes you. Drugs help, like E or Coke, for a good time. But really if you're able to be funny and good enough looking one of them will like you. Models are just like anyone else, but they also have more access to other people places and parties.