Like Ra in latex catsuit, latex mask and high heels
Like Ra's Naughty Playground

Chain hand- or legcuffs
self-bondage selfbondage bondage self bondage chains cuff padlock handcuffs hand cuffs legcuffs leg cuffs

Just an example of chaincuffs made with a single padlock.
Can be used as legcuffs in self-bondage and both leg- and handcuffs in bondage with a partner (since it's quite difficult to use this method alone).

See also Chain handcuffs 1