Dog Knot Stuck Videos

Dog Knot Stuck Videos 

In the engineering context, dog knot may mean the enlarged section of a rod or pipe that is used to retain a hole. These dog knot structures are found inside buildings and the likes. This engineering definition of dog knot is not really popular. As such, it is rarely used even within the industry. But then again, this is the initial meaning of the term. It has, however, evolved greatly and at times, quite inappropriately.

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