On the news today they talk about a new mouse that vibrates to what happens on the screen. Anyway, that idea is so old as you can do it with video game machines.
Won’t be long before we have electronic stuff you can stick down your pants, visit a web site & have some sexy girl do things to you.
Having tried quite a few toys in my youth, I can say that I’ve never seen anything that gives men the sensations they need. The problem is frequency and resonance. Vibrators have motors that buzz at a high speed. That’s fine if your main pleasure zone is half an inch long. Your average male however, needs a throb not a hum. Something that cycles at a few hertz.