Carabiner hook for stroller, F224, DreamBaby A practical way to hang your bag, nets and more on the trolley handle Mode of use: Open by pressing the movable part of the carabiner. Slip it over the trolley handle and hang your bags on it. Warning: Be sure not to overload the carabiner so you don't topple the cart. Never leave your child unattended in the stroller. This product is not a substitute for proper adult supervision of the child. This hook cannot be used for rock climbing. Precautions: Do not leave valuables/material goods unattended (hanging on the carabiner). Keep the instructions on the package for future reference.