W hen the lid is slid towards the round pegs that the hooks lock over the bolts that are in the side of the hut. When the lid is slid away from the peg holes the hooks are free from the bolts. Picture of hut from the side with lid and rear door shut. This is watertight and also locks the rear door shut.
Lid slides up to be removed from hut.
Notice that this version uses plastic, metal or untreated wood to comply with organic restrictions on treated wood in contact by animals.