Which part dear heart? The part I shoved in got me a stern warning from Herr York. However it was very enjoyable, didn't hurt at all and did not involve lubrication. Sadly I have had to have rehab following the withdrawal of the aforementioned part.
It's one of those topics where there are two opposing views and neither side will tolerate the other's perspective. The main interest for me is that some of the protagonists are not taking the side that I might have expected...