4-Corner Bed Restraint System Based on the all the bed restraints on the market, we have developed the bondage restraints that are extremely easy to install. This Bed Restraint is unique because it installs onto your mattress by fitting the straps onto each corner of the mattress and connecting the corners together with the fully adjustable rops. Top and Bottom strap connectors on each side create a strong fit to the mattress like a harness. Any little woman can easily install it to surprise husband/partner on Valentine 's Day, anniversary, or special days. If you are a seasoned practitioner, then get creative and upgrade your gear. About Our Brand More than a sex toy store. We are also provide so many kinky/fetish toys you can look into as well.