I've discovered that astroglide seems to work best for me. This has led to a small problem. I get the best results when laying on my stomach. Astroglide is rather on the thin side, so it tends to leak out and migrate down to my perineum, where it completely coats the p-tab. This prevents the p-tab from staying put and working correctly. I tried putting a small piece of cloth over the p-tab to soak up any errent lube, but I think the cloth is also hampering the aneros' movement. Has anybody had this problem as well? Did you find a solution? Thanks.