Girls playing with guys' cock with alternative hand grip...

[Spykerwolf]

U know instead of jacking someone off with ur fingers facing upwards, some girls do it the other way around, thats hot!!

 

[Spykerwolf]

Like this

http://www.jointheporn.com/HJA/setp/sarah/14.jpg

or

http://img3.bdsmbook.com/ho/880_11847477143.jpg