No one can teach you over the net. There are so many variables. How was the horse trained who trained it where are the buttons is there just one or is there a combination of several to get the horse to turn. With out knowing the horses back ground it is just to hard to say. Also it might not even be the horse. It could be how you are asking how you are sitting how your hands are and where they are could be one or a combination of several. If you can not feel what is going on there is little hope you can fix it with out somone there to help you in person.
-I'm so busy... I don't know if I found a rope or lost my horse.
-An Armed Man is a Citizen an unarmed man is a subject.
-Where ever free speech is stifled Tyranny will reign.