Template:SaddleUsage

To equip the saddle, open the inventory of the creature and drag the saddle from your inventory into the Saddle slot in the middle right of the window, underneath the picture of the creature. Once the saddle is equipped on the creature, you can mount the creature and ride it with. Hold to make the creature run, use  to attack, and  for special abilities, such as Carry (for flying mounts).

To remove the saddle, drag the saddle from the saddle slot into the creature's inventory, and from there into your own.