It was announced today that Canadians will now be allowed to bring small knifes on planes due to regulation changes that will take place later this month. Transport Canada announced the new regulation change earlier today. Transport Canada also announced they will not be allowing baby powder on flights anymore.
Blades of 6 centimeters or less will now be allowed on most domestic and international flights. However blades of any length will still be banned from all US flights. Other changes include the banning of powders or granular materials in containers over 350 ml in volume.
The changes officially take effect on November 27th.