Using these Peak Design Anchor attachments is a breeze. First, attach them securely to your Peak Design camera strap. Then, you can connect the strap with various items like different camera bodies, wearable POV video devices, binoculars, etc. When using with water bottles or other items, make sure the attachment is firm to avoid any accidental drops. As for maintenance, keep them clean and dry. If they get dirty, you can gently wipe them with a soft cloth. And always remember, do not use these anchors with toddlers as it's not appropriate and might be dangerous.