The DoorJammer helps keep doors from being forced open
The DoorJammer is small enough to be carried in a bag
The size of the DoorJammer, as compared to an iPhone
The DoorJammer weighs 250 grams (8 oz)
If you're staying in a hotel that's kind of ... sketchy, then you might not be satisfied with simply locking your door when you're in for the night. You could wedge a doorstop of your own under it, but now there's a portable gadget that is claimed to work better – the DoorJammer.
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