Talk:Vol.2 Ch.115: 30F - Hell Train: Revolution Road (3)/@comment-66.87.82.241-20140915033838/@comment-5693502-20140915083824

If enough force and momentum is applied then even blunt objects can 'cut' through things. Needles are thin and, while not exactly sharp, they have a low enough surface area enough to be able to 'cut' objects with much larger surface areas.