Dark and sexy is the name of this game. If you're struggling for a look, a lace bodysuit is a perfect option that not only looks amazingly sexy but looks great on nearly everyone. Check out this option from H&M for a covering option.
Though I'm not a fan of including props in sessions (in fact I'd really rather we not), one thing I will make an exception for is paddles & whips! Depending on the direction of your experience it can add an extra va-voom to already stunning images. And if you happen to have experience with said whip or paddle...well then you might want to mouse up to that contact link and send me a message because there's ideas forming and I'm going to need some experienced hands. ;-)
$185 - agentprovocateur.com
$1,125 - saksfifthavenue.com
$16 - amazon.co.uk
$13 - complete-costumes.co.uk