Pain play is a type of sensation play that features pain as a pleasurable sensation. The practice usually incorporates aspects that are common to BDSM play.
More About Pain Play
Pain play typically plays with the pain threshold of individuals. Pain limits and boundaries are pushed and often have an element of mental play to them as well. Typical play might include whips, bondage, flogging, clamps, etc. Individuals who engage in pain play are often called masochists, who derive pleasure from physical pain.