"The resilient belts 12 can be made of any resilient material, e.g. rubber or synthetic material, as long as such material is capable of providing enough resilience and flexibility and sufficient strength to support the users during vigorous sexual activity.FIG. 2 shows an alternative embodiment 20 of a sex aid device according to the invention, which is similar to that of FIG. 1, except that a sin" . . . . .