[GnuThere]

I once read the rules for getting a greyhound rescue - never, EVER outside off leash or they could be 40 miles away before you know it.

[hanamizu]

never, EVER outside off leash or they could be 40 miles away before you know it.

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Not so much 40 miles away, but they can be going 40 miles an hour after just a few strides, if they’re motivated