Q-Airsoft does a comparison of mouthguards from NB-Tactical and Cygnus Armory to find which one should be good for you to use whilst playing airsoft... "Hey guys, in this video we take a closer look at the mouthguards from NB-Tactical and Cygnus Armory. Which mouthguard is the best and which one suits you best? Let's find out! Enjoy the video!"