What is this device?

The link below is to an animated gif on Tumblr. In one of the frames, the woman is holding a butt-plug shaped device that appears to be black rubber and chrome or polished stainless steel. Is this some kind of medical device or an e-stim toy?

http://medkink.tumblr.com/image/128921149813

The box is an Erostec ET-312 estim power box. The attachment went by too fast to really identify.

It seem to be a Zeus attachment.

It's a metal but plug.

She looks like a lot of fun.

It goes by fast, but it looks like a very large, wide bi-polar anal electrode. She doesn't show much of it, but similar things are sold on the UK company site of E-stim systems, and their US site. I forget the name, but there is a German site that has lots of anal toys (of course) like this, too. Since she looks German, maybe it's from there.

From memory they occasionally appear in video on Fetish Box.com or the Wired Pussy site..There is also an example at hand either amongst xhamster clips or on Motherless

It looks like it would be lots of fun

More precisely it seem to be a electrostim bipolar plug, from Zeus # http://www.zeuselectrosex.com/aa902.php #

Following this link you can see the " still " picture # http://www.zity.biz/gallery/image/118108 #

I use the large one who is very enjoyable too # http://www.zeuselectrosex.com/mi825.php #

Unknown device research

I am searching for this toy " electrode ? " -" vibrator ? "

http://www.zity.biz/gallery/image/119189 + http://www.zity.biz/gallery/image/119188

In the video it seem to be computer controlled, thank you to send me a private mail if you have any infos or knowledge about.

This video was realized in 2011 # Lilsub 4pt1# + # Lilsub 4pt2 # http://anon-v.com/videos/19371/lilsub-4pt1/