CB-3000/6000 with other toys

I wear a CB3000 all the time, so can only comment on this version, but I think the fit is basically the same on both.

I have never warn a plug harness but would assume that any that have a cock ring that goes completely around your balls will be ok as this will then go behind the ring of the chastity device. One thing I would recommend if getting the CB3000 is to purchase a solid ring from somewhere like Tickleberry or Chastityplay, as this is a lot thinner than the hinged standard one and will therefore be more comfortable with the harness.

Let me know if you have any further questions.