Ironically I just read a review from a customer that had the same issue. Unfortunately, I think we both discovered this at the same time.When used on a ULINE slat wall, the bracket sits so low that only 1/8 of an inch of the upper tab actually makes contact with the slat wall. I was afraid that if I applied any weight to the peg it would rip it out of the wall (damaging the slat wall). I fixed it by purchasing a 1/4 inch square dowel rod from the local hardware store for 90 cents. I rounded one See full review