Rust led to the failure of a shackle hook.

A rusty chain was suspended over the water very that made it rust.

Rusty chain with a rusty lock restrained a wooden section of car gate.

A rusted lock held two old rusty chains together.

Rusty links hug tight to a stout pole.

Shackled in place, an old-style bicycle parking chain lay at the ready.

Old lock teamed up with an old rusted chain to hold shut the gate to a small garden plot.

A huge rusted chain rested on the ground.

This link was part of the fence dividing the road from the rocky divide and the bay. It's close proximity to the Pacific Ocean and San Francisco Bay have caused it to deeply crack and fissure. This link was roughly 10 inches (25 cm) high.

One morning these chains were found hanging from a tree. Their intended use was not evident.

A burned out building had its doors held shut with two locks and a mass of slightly rusted chain.