Also known as: スリープサック
A full body restraint sometimes used in BDSM play. A tight sack that holds the legs together and arms close to the body to prevent movement. Usually a large body-sleeve but can often coupled be with a Straitjacket like configuration for the arms.
- Traditional "sleeve" sleepsack
- Straitjacket styled sleepsack
Not to be confused with Sleeping Bag