Picture of lid alone; detachable lid with hooks and pegs showing. When 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.; with the lid slid down the lid covers the rear door.  This is watertight and also locks the rear door shut.  Lid slides up to be removed from hut. Picture of angle iron frame in the snow; this is the cart helps move the huts when they are indoors. Picture of 8-foot doors open with hut going indoors; Moving a hut inside of the heated facilities. Notice that this version uses plastic, metal or untreated wood to comply with organic restrictions on treated wood in contact by animals.