) It can be hung by a hook. Trying to purchase the necessary attachments are impossible and emailing the manufacturer is waste of time, they don’t return messages. Really cant complain about this strap. This means that even if over tightened on to a desk, the pad will release without leaving parts of the rubber pad that other arms have stuck to the desk. Readjusting the bottom is a must. I’ve worn them several times, very comfortable and very easy to hose off when done with the dirty job. Pretty summer platform sandal. Tal vez solo fue una falla pero preferí devolverlos - Excellent water resistance: One evening I was caught in a sudden, unexpected heavy downpour while riding my bike. With the right materials (metal), this design would have been fine.