About 5 years ago I bought a 27' TT with a 13' slide out. I asked the person I was buying it from about slide out locks and he said that you just push the button to bring them in and GO. While we were going through the stuff that came with it I pulled out 2 rods with rubber ends on them and asked him what they were for. He said that they were closet rods. I read the label on them to him. The labels said "Slide out rods. Secure before moving trailer". He had traveled from coast to coast with the TT and never used the slide out locks.