Possible Clues:

• Component of arms that Iran bought in America originally
• Iodine injected in rather twisted part of leg
• Bone in a limb
• Bone seeing top part twisting back
• A fibula's larger partner
• Bone that a shin guard protects
• Top class piece of information about bone
• Bone protected by a shinguard
• It goes from knee to ankle
• Bone of the leg