Does a " notch broom " make sense? If not please correct. 10 points first BUT right answer?

i am writing a story about a maid who is very nice but people treat her rude. so one of my sentences are " She sweeps the floor with a notch broom " if not, can you correct it?? i am trying to figure out whats a notch?? please please help me. I am in need. thank you very much