The temperature of the mules is very rude, it is normal, they tend to be wild and scary ... This is dangerous for those who ride them and for themselves, because I have seen that with the load of coffee they get scared and run away the slopes of the mountains, something very dangerous because they can break a leg or the nape of the neck if they fall ... but it is a very strong and resistant animal to work, I want a hehehe but in my country they are expensive