Finger stylus found...

[flamma at correo.ugr.es]

>> http://www.daydeal.com/product.php?productid=16138
>
> poses the question where to put when you don't need it. a little regular
> stylus (i i use those for nintendo ds after some sharpening/shortening)
> can be put in your pocket w/o much harm, but that thing looks a bit bulky.
>

I think this is more about being cool than being practical. It reminds me
some heavy metal/emo artifact like this:

http://www.elcallejondelinfierno.com/images/categories/garra%20cruz%20malta.jpg

(I think it could also work).