Using the Evoc Hip Pouch Pro is easy. Just put on the pack and adjust the hip wings for a comfortable fit. You can store your phone in the dedicated compartment, snacks in the provisions pocket, and tools in the tool compartment. Attach your keys to the carabiner and a bike light to the loop. When using the water bottle, simply take it out from the holder when you're thirsty. As for maintenance, clean the pack with a mild detergent and water when it gets dirty. Make sure to dry it thoroughly before storing it. Avoid exposing it to extreme heat or sharp objects to prevent damage.