ONG. Just tried this for the first time. Just lube it up and slip it into her pussy. Part of it vibrates up from the inside on the g-spot, and another part vibrates down onto her clit. Once in, there is still plenty of room for my dick. Best thing is that it works by remote control. It works great in doggy style. Turn it on and she starts moaning immediately, and I start driving deep. When I get too close, I can turn it off with the remote. Toward the end, I would leave it off while i was fucking, and then pull out and turn it on while I rested my dick.