A few months ago I tried it on an extra vibe we got with a video purchase that was never going to be used. After thinking about it for a few days to get in the mood I made sure to start with a lubed condom and some KY to make it easier. I went slowly to get used to it and found I got about 5" or so up there before I'd had enough.

Also a month or so ago I went to a massage place that always gives a nice rub and tug. This time the gal was rubbing my ass enough I took the chance and reached back to guide her finger inside me. She went with it and finger fucked me while stroking me. Only negative was how quickly I came!