How would you ground it if it is at the top of the fence? Won’t zap unless grounded.Poor pups.
I like electric fence, one strand along the top of the fence will stop birds from perching there, dogs from jumping up on the fence, an I bet would give that Roo an awesome jolt when flapping up there to come visit.
. He was hatched by a homeschool mom who gave him and his sister to us as day-old chicks. His sister "Violet" lived with us till she passed at 11-yrs.