Costume safety. Put reflective strips( 反光条纹 ) on the front and back of costumes to make them more easily noticed to drivers. Your children ’ s costumes shouldn ’ t be too large for them. ______3_______ And shoes should be comfortable. Don ’ t allow children to carry sharp objects. Knives and other things should be made of soft materials. If your kids wear masks, make sure they fit well and have eyeholes large enough so that they can see what happens.