Velcro receptive fabrics are fabrics which are able to attach to the rough, hook side of Velcro. It is basically a fluffy surface consisting of lots of loops. These fabrics are commonly used for notice boards schools presentation boards at a trade show so that display visuals can be frequently changed and moved around easily. These loop fabrics are surprisingly strong (some more so than others) and can carry a lot of weight. As you can see from the video, some of the receptive fabrics have a better ability to hold onto the Velcro than others. » Read more..