1. Hand sewing needles are either plated with nickel, gold or platinum. This plating wears off over time and perspiration can erode the plating as well. When your needle is sluggish and dragging as you go through the fabric, change it out.
How do you know if your sewing needle is dull?
How to tell if your sewing machine needle is dull? The sewing machine needle is dull when it begins making a thud or popping sound every time the blunt needle is having difficulty making a hole in the fabric. Also, turn off the machine and put your finger against the needle to check whether the needle is dull or sharp.
How do you sharpen a hand sewing needle?
Use steel wool as a pin cushion - steel wool is often used to smooth out the surface of some metals. Since needles are made of metal, then the steel wool should smooth out the needle with ease. You do not need to store your needle in the steel wool, just push and pull the needle a few times to get it sharper.