My belated day-after report:
Folks, I'm sorry I don't remember with certainty, but it was bought on-line from one of the major sex-toy outlets. Earlier I was thinking Doc Johnson, but now I'm going with Adam & Eve as my best guess. I think I simply did a search for "18 inch" AND "double dong", and later refined the results by adding "silicone" to the search. Lots and lots of options, but they all look fine, yuk, yuk.
My experience inserting it is that the head is the big hurdle. Once it's in the rest of the fat snake slides in pretty easily if well lubed. Someone with a tighter sigmoid than mine might have a problem getting it through that tight spot. Once past the sigmoid into the descending it slipped up easily. The sensation was delightful. I did not feel any difference in the sensation as it slipped past the splenic flexure, and only at the hepatic flexure did I find resistance. That is when I left the stylized head out, snug but out, effectively like a butt-plug.
After a while I worked that inside me too, a very different sensation. So on insertion time I probably spent three or four minutes trying to coax my l'il rosy red to relax. The sensation of the soft but firm head against my anus was ... am I overusing the word delightful? Once it finally opened up and let this silicone fellow in, from there to the butt-plug stage was maybe thirty seconds.
Adding water was interesting, as once I got enough water above the dildo the sensations of it moving around was precious!
I looked at grumpyboy's gadget, and I want one, but... hmmm...twenty bucks against a hundred seventy nine bucks... maybe I'll "graduate" to one of those someday, but right now I'm still slightly scared of this pink monster.
Hugs,
Diane