I wouldn’t recommend giving your dog any gadget to chew on unless it’s specifically made for it, like this USB Dog Tag / Chew Toy. The shaped-bone drive carries 512MB of data.
The USB Dog Toy has a little hole which allows it to be attached to your dog’s collar. Don’t put any important files on here though. You never know when Fido is gonna make a run for it. — Andrew Dobrow
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Well, here’s a use: Put your address, etc. on there, return instructions, information basically, perhaps a google maps link, etc, so that if your dog does get lost, he can be returned.
Alternatively: Put some advertisement on there for your product and let your dog run loose.