Air tiara

An air tiara is made by combining an Air talisman with a tiara. In order to combine it with a talisman, simply use the tiara on the Air altar with an air talisman in your inventory. Doing so earns you 25 Runecrafting experience.

An air tiara can be worn in the head slot, allowing you to left click on the altar to get inside, saving you an inventory space.