What tack should i use on an arabian/shetland filly that im going to break in?

I don't mean to be rude at all. But if your seriously thinking about breaking in this pony, I would get a trainer to help you. Or some one who has broke many horses before. Its better to have someone who's knows what they are doing with a lot of horse knowledge. So I seriously recommend a trainer or some one who's knows and has broke horses before. You don't want to get yourself hurt and doing it by yourself you could end up doing that. So please get someone with horse breaking knowledge involved. I apologize if I sounded rude.