GG im sure you know without me telling you that even the hardest strongest of dogs in the right earth with the right stuff will find it hard to pot stuff that doesn t want to be stopped,so a wee tote of thing no matter how hard will be getting it harder than his medium sized brother. so if you ve only room for a few dogs then surely a few medium sized would be better than a few of nuttals mosquitos,which are purely bred for groundhog,so why justify it for the british /irish .Unless you are Nuttal? my personal preference 12"? is a little on the short side for dogs anyhow.BUT thats for the m