My MotivAider does this fantastically, I like it on my belt and aside from being bulky, is perfect machine for $50. http://www.amazon.com/Behavioral-Dynamics-9

My MotivAider does this fantastically, I like it on my belt and aside from being bulky, is perfect machine for $50. http://www.amazon.com/Behavioral-Dynamics-9609-QC-MotivAider/dp/B000MMVSKW/ http://www.amazon.com/Behavioral-Dynamics-9609-QC-MotivAider... I've been using it to establish habits, remind myself to be mindful and focus on task.