HEy, i just recently bought a dog tag from a designer shop ,. and there are 2 dog tags included., but there are also two chains included,. one long one to hang around your neck,. and the other to join and hang from the longer chain . My question is, where am i meant to put the 2 dog tags ? which chains :S , 1 on the long and 1 on the short ? or both on the same ?