text:  And now you get annoyed at having to go to the store to buy something when the store is probably closed anyways last minute. So you just say, ah, I'll get it tomorrow, you know. So you have here this idea of bristle heads within the handle right at the spur of the moment when you need it. Convenient, fast, easy to snap on, and you never have to throw out your toothbrush again. So a year's worth of brushing in one toothbrush handle.