dense thunder
mod that lets the player shift right click there horse to open a menu that shows the horses hearts, speed and jump height. bellow the text that says speed add a red slider that when changed will change the horses speed to that speed (max speed is the lowest a vanilla horse can be and max speed is the highest a vanilla horse can be). do the same for jump height but with a blue slider (slider goes from left to right)
vivid thistle
brittle stirrup