Restraints are products that are used during sexual activity. These types of items are most common in bondage scenes and BDSM play. The items are designed to keep a submissive from escaping or moving. There are a number of different types of restraints, ranging from simple and inexpensive to intricate and costly. Some of these products include rope, handcuffs, padded leather arm cuffs, collars, bondage mitts, and under the bed restraint systems.