Again hello. Tell or say please the doctor, whether are harmful mechanical sreds...

[Dmitry.]

Again hello. Tell or say please the doctor, whether mechanical agents of additional stimulation of sex exaltation, in particular such as erektsionnye rings are harmful. Whether they can be harmful or are on the contrary useful? Thanks for consultations. You give very much the helpful information.

[Isaev D.D.]

Dear Dmitry! No harm from mechanical stimulation can be (short of an opportunity of a mechanical boring or unpleasant sensations at someone from partners) But also the advantage or benefit too rather relative helps or assists someone, someone - is not present!