vibration comming from e-brake?

hey i was wondering if any one has ever had a vibrating or wierd noise come from there e-brake. :think: ill be driving and all of a sudden it will sound like a rattle and when i move the handle upwards alittle, not so that it is engauged but right before, it will go away. any ideas what this might be? let me know cause it is extremely annoying!! thanks

might need to be adjusted. . .

how might i go about doing that??