How to test invisable fence

Some thing tells me they didn't film this in one take either !
 
Reminds me of when I helped a neighbor install his. It was hot and lots of liquid was needed that day. Needless to say we tried on the collar. NEVER again.
 
a buddy of mine had a particularly wild chocolate lab that required the "stubborn" setting on their e-fence....he told me that if he was going to subject his pooch to it then he had to try it for himself.....one of the funniest things i have ever witnessed.
 
Too funny! I helped my brother in law put one in years ago. His dog got zapped once and then would never leave the porch.
 
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