The plug is Peterson Perfect Plug. I rock the knife over the plug and it cuts right through It's a neat tool and requires little effort. The real test will be Mick McQuaid Plug as it's the densest plug I've encountered.
I've always enjoyed the good natured oneupmanship around here.
John offers an elegantly practical, hand carry solution and George trumps with a forty lb. vaguely Victorian guillotine.
It's good to be around friends.