In a related story: http://news.yahoo.com/teens-bagpipes-seized-us-border-over-ivory-175653331.html

Teens' bagpipes seized at US border over ivory
Associated Press    By RIK STEVENS August 5, 2014 4:49 PM

"CONCORD, N.H. (AP) — The skirl of their pipes had barely receded before two New Hampshire teenagers learned a hard lesson in cross-border musical diplomacy: If your bagpipes have ivory in them, leave them at home before traveling to Canada or risk having them seized at the border..." The rest of the story will be found at the link.