I started a thread on Bladeforums.com a while ago trying to find out if traditional pipe knives are still being made. Hoping to gain enough interest to make a company like Great Eastern Cutlery or Queen Cutlery do a run of pipe knives.
http://www.bladeforums.com/forums/showthread.php?t=1128895
http://www.bladeforums.com/forums/showthread.php?t=1128895