What would you call this specific style of undergarment?

[zeekz]

I'm not talking about the undies itself, I am talking about the black garment.

On Monique Alexander

http://img101.imagevenue.com/img.php?image=08326_0274_123_63lo.jpg

http://img185.imagevenue.com/img.php?image=08412_0291_123_141lo.jpg

I've seen several Twisty's set with models wearing them and am quite curious

 

[beepollen]

Garter belt.

 

[zeekz]

Garter belt.

Nice. Repped & Thanks.