Not saying you should all I am saying is that there are Plummer terrier been dug to and staying until dug to I never met plummer but have heard the storys about him at the end of the day a dog only has to please the man/woman that feeds it
As already said WHWT on here has Plummers that have stayed until dug to even his old westie has been dug to a few times but he puts the work in to his dogs