how do those work???? been think about getting one for my x. its been 2 months now an i moved an she still finds out where im at an wont leave me alone... shes goin like crazy an sh*t... im just like WTF???? X( X( sucks shes not a guy cause then i could hit her if she was. its bad to say but thats how i feel. just cause i have a lot of lady friends and dont do anything with but be friends she gets all psycho an stuff an like drives by my place to see who im with an everything.... :-/