Makeshift Lock On Door

They differ in one respect walls are permanent while doors are not.
Makeshift lock on door. While the easiest way to lock a door is to install a door lock there are several ways to lock a door without a lock. Backyard gates and shed doors are usually kept shut with latches. This is a video on how to make a portable door lock. An ideal anchor point is a solid material that is securely anchored down to the ground.
Yet in case of emergencies you can even use them to keep your door shut. Very easy to make. You can take it on trips to use in motels or use at home public bathrooms etc. Marking the latch slot before you even begin make sure the fork can fit into the latch hole of your bedroom.
As you bend by the way. The fork will be used as the lock itself although this diy project does require you to get your hands dirty at least for a little bit. To lock a door without a lock you will have to tie one part of the connecting material to the handle of the door and then tie another part around a solid anchor point. Doors and walls share a common purpose creating a barrier.
The lack of permanence can create some issues usually solved with latches doorknobs and locks. Bending the fork take the pair of pliers and bend the prongs to a 90 degree angle. The idea is to create a makeshift lock out. Making an emergency lock for your secret chambers step one.