my earbuds would fall out a lot and my ears would hurt after a 1/2 hour of using them. This is a neat trick to make custom earbud tips for your earbuds. They will stay in place and are very comfortable.Does anyone have recommendations on noise cancelling earbuds. I ride a RK 2 hours a day at freeway speeds in heavy traffice and was thinking of listening to tunes. I have a Shoei full face helmet.