In this video of Michelle Jenneke’s (unintentionally) sexy warm up dance, it looks like she’s got some electrical tape stuck to her abdomen just just above her shorts.
Any idea what the heck it is?
Here’s the video for those that haven’t seen it. It’s SFW but somewhat addictive so be warned. - YouTube
Temporary tattoo of the Australian flag she applies for competition. Examined under high magnification…wait, where was I?
You can see it’s actually a slightly lighter upper left quadrant and the rest dark
eta: ninjaed with the correct answer. I hate when that happens.
Don’t do so much…research. 
You’ll go blind.
Best thing ever on the internet.
I was going to guess scan tag or UPC.
Yesterday BBC America ran an episode of Top Gear 2012 that was set at an Australian racetrack and featured various automotive challenges. One event was a race between her and a car, but it was pretty blatantly an excuse to watch her warm up. (She seemed to understand the appeal, though.)
I imagine she’d be better at hurdles than a car.
She was just sprinting. The car had to go 50 meters and then reverse back to the finish.
Really? Such a coincidence of timing, that. mysterious grin