Bed and door restraints are bondage kits or ties that easily affix to the bed or door for bondage play.
Extreme restraints are types of bondage equipment, devices or clothing that is used in heavy bondage play. These include straight jackets, suspension equipment, bondage harnesses, arm binders and body bags.
Hogties are a type of bondage equipment that allows affixing wrists and ankles together behind the back, to leave the person bond in a vulnerable position.
Rope, tape and ties are bondage restraints that are used to tie an individual for bondage play. Shibari bondage (meaning: to tie) uses rope (usually hemp) for the art of erotic bondage.
Spreader bars are bondage devices used to affix the ankles a part in bondage play. They are made of a metal rod (usually) with ankles cuffs at either end.