Where can I buy these...?

[Bartman39]

 

[ThatsABigOne]

That would be hard to walk on... lol

 

[lxskllr]

Pretty easy to make.

 

[CZroe]

Should be curled up near the bottom edges so that there isn't a visible box around each print.

 

[CZroe]

Neither you nor the dog are safe:
http://www.youtube.com/watch?v=8Im1bCKoQs8

 

[Jeff7]

"Wait a minute....these tracks were not produced by any ordinary quadruped! Watson, I believe we have a bigger problem than some errant canines! Check to see if there have been any scheduled UPS deliveries in this area during the past 2 days."