I was recently in Watkins Books. While I was there I noticed some mala beads. http://en.wikipedia.org/wiki/Buddhist_prayer_beads
These are normally used when reciting a mantra but I decided to try them out as a way of counting my breaths when doing the breathing meditation.
It works out really well as they act as both an anchor to the present moment (see my blog article here) and as a way of counting breaths.
I hope this helps your mindfulness practice.