A clock for checking when its say to go outside. Mainly for when you are mining. If you play hardcore you need to be outside in the day getting food and inside mining at night, the clock helps determine when u go inside/outside. Anvil is for repairing expencive tools with nice enchantments and getting to keep the enchants after repairing it, you can also rename it which is for fun. Everything is useable in one way or another.