haircutting scissors [2]

Straight-bladed scissors used to trim hair.

notched single-edged thinning scissors

Scissors that can both trim and thin hair because they have a straight lower blade and a notched upper blade.

blade

Blade with a smooth cutting edge that cuts straight across the hair.

notched edge

Blade with an edge that has a row of teeth; it is used to cut hair in points.

notched double-edged thinning scissors

Scissors with notched blades that thin the hair by cutting individual locks in points.

tooth

Each of the sharp projections on the blade.