Needle-shaped bristle and method of manufacturing the same

A method of manufacturing needle-shaped bristles, the method comprising:

• cutting a bundle of bristles to a length of between 20 millimeters and 30 millimeters;
• dividing the bristles into a plurality of groups;
• grinding first ends of the divided bristles using a grinder;
• gathering the bristles into a bundle arrangement;
• and
• immersing second ends of the bristles opposite the ground first ends into a chemical so as to taper the second ends of the bristles.

A method manufacturing needle-shaped bristles, the method comprising:

• moving a packing sheet from an original position backwards relative to a bundle of bristles;
• grinding first ends of the bristles;
• returning the packing sheet to the original position;
• cutting the bundle of bristles to a length of between 20 millimeters to 30 millimeters;
• and
• immersing second ends of the bristles opposite the ground first ends in a chemical so as to taper the second ends of the bristles.