Looking for advice on bits, I brought a new horse in October and I am struggling to find the right bit for her. She came with a Mullen rubber covered Pelham, however she would fight for room for her tongue so I changed to a thin Mullen happy mouth Pelham however when contact is increased sometimes she puts her tongue over the bit - this would particularly happen if I was asking her to slow down. She is also always leaning and fighting me for the bit, and can be really heavy in my hands. she's also a bit of a tank and can be very strong particularly with others she can also be very rude when am asking her to stop and I really have to fight with her. I know schooling, my riding and confidence are key but I feel like having the right bit is also really important so thought about a Waterford bit because they are meant to be good for strong horse So? However am not sure which to go for loose ring, cheek, hanging cheek etc. Please help!