<div id="video-block-R1A98W97TSJ3VY" class="a-section a-spacing-small a-spacing-top-mini video-block"></div><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/C1EL1l6KQxS.mp4" class="video-url"><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/91kJxT2DtkS.png" class="video-slate-img-url">These traps have worked really well for us - at first they didn't work at all, but then we started putting a very small dot of peanut butter all the way on the back wall of the trap.  You can't use much or it throws off the balance which makes the trap useless.  But if you use a small amount, the smell entices the mice to go all the way to the back of the trap which causes it to tip backwards and makes the door slam shut and lock.