- Easy mounting and secure setup: attach the spring to the water bottle and secure with the clip for a stable, organized habitat. Includes a door hook lock and a clip-on water bottle holder. - Quick installation: attach the spring to the bottle and secure with the clip for fast, reliable setup that simplifies cage care. Suitable spring for rabbit and hamster water bottles; spring clamp for small animal cages. - Wide compatibility: fits a range of wire cages and is designed to attach accessories for rabbits, guinea pigs, hamsters and other small pets; ideal rabbit cage accessories and cage spring closures. - Durable and reliable: made of stainless steel for long-term use, keeps water bottles or feeders firmly attached; includes cage lock clip and cage locking clip. Use scenarios: - Hang a water bottle inside a rabbit cage to prevent tipping and spills. - Secure a feeder or water bottle in a guinea pig or hamster cage to keep the enclosure tidy. - Reconfigure quickly in multi-cage setups or travel crates where secure attachment is needed.