meandyou said:putting velcro on the back and attaching it outside your shoe it is a good way to ruin the sensor especially if you run in the elements. It's also a good way to loose it once the velcro sticky peels off.
One person even commented they had lost theirs because they failed to secure it with the shoelace trick.
Hmmm... they failed to secure it and then they lost it? How could that have happened? Of course, that comment was in response to a post about using velcro to secure the sensor under your laces.
Out of the hundreds of comments and emails I've read regarding the shoelace method, I have yet to see one report of the velcro "sticky" peeling off. Just follow the instructions and you'll be fine.
The sensor is pretty water resistant on its own -- the seam in the plastic is fused tightly -- and if you run in the rain a lot it's very simple to place it in a small plastic bag before attaching it under your laces.
Lastly, if for some reason the sensor does fall off your shoe, after two minutes the iPod voice will tell you that activity has stopped. Just turn around and run back two minutes to find your sensor.
I have no agenda other than letting people know that they don't need to buy the Nike shoes or a special pouch in order to enjoy the Nike+iPod Sport Kit. I've been using it with my Sauconys since July without a single problem (20 - 30 miles per week). It may be tempting for people who have never tried attaching the sensor under their laces to speculate about what might go wrong, but the vast majority of people I hear from every day are actually using it and having no problems.