This item gives you access to more homes.
If this is the first time you are buying this, you will be able to use up to 3 homes. If you have bought it before, this will give you an extra 3 to use on top of the ones you have already bought.
Set a home using /home <homeNumber> set
Teleport to a home using /home <homeNumber>
<homeNumber> is the number of the home you want to use.