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No ummmm, I wasn't planning to breed him. My last dog sailed through life intact with no problems, no leg humping, not even a cushion was molested by him! It was a needless operation with Hamish, but Rufus appears to be a different kettle of fish - looks like his mother, but is beginning to show traits of his father.
sandRoe, a bell wouldn't work. He's like a speeding bullet and very crafty with it. Norfolk Terriers were bred to flush out foxes that had 'gone to ground'. They are natural tunnellers and hunters.
Hamish must have had more of whatever the other half of him was, than I thought. He just looked like a large Norfolk, so I never found out what made him bigger.