If you ever need to push hair into a foam latex or silicone mask so it looks real you will need a punch needle. The traditional one was just a sawed
Ultra Fine Detail Tools – brickintheyard
TITANIC FX Hair Punching Needles — Coast Fiber Tek
Scalpel Blade (extra blade) – brickintheyard
Painting, Flocking & Hair punching
Hair Work Stan Winston School of Character Arts
Steel scalpel tool – brickintheyard
Steel scalpel tool – brickintheyard
Bendy Bones – brickintheyard
Steel Spatula And Carving Set – brickintheyard
Punch needle Gauge 40 Ultra fine - Makeup-FX Shop