Modifies a noun

• lid: Make sure your water butt or any other collection vessel has a secure, childproof lid.

• lock: Unfortunately, none of them knew how to open doors fitted with childproof locks.

• container: Remember to keep all antimalarial medicines in childproof containers out of children's reach.

• bottle: If you have difficulty opening childproof bottles you can ask the pharmacist to put your drugs in a more suitable container.

• cap: I'm very good at opening childproof caps with a hammer.

• tripod: For one, you have to fiddle with focuses, view angles, and the definitely not childproof tripod.