i used to have a rat called smuge, one day he jumped off the sofa and made a dash for the fire place, we had a gas fire and when we went to inspect if he was there, there was no sign of him, but there was a small hole inside the wall behind the fire. we never had the fire on for weeks, we never seen him for weeks, we tried everything to tempt him out, cheese, chocolate nothing,,,, then about 2weeks after his escape i was watching tv and felt tickeling on my foot, looked down too see my smuge, i picked him up and smothered him in kisses. gave him a good feed and he lived hapily ever after. till he was a wee old rat man.