Ive been told to heat it up alot little more then it would be naturally alive. put it in an old mouse box that had live in it shake it around, the smell of the mouse will make him freak out, and if that sitll doesnt work ive ben told by a gentleman to stick it with a wooden bamboo squewer and shake it in his face and make it " aviod" his face he'll smell see hear and feel the mouse and go for it.