The Hot Tools Professional 3/4 Hot Air Brush is a versatile tool with a multi-vent barrel and multiple heat settings to create gorgeous, full-bodied curls on a variety of hair types. Recommended for short to medium-length hair. The unique barrel is outfitted with flexible, ball-tipped bristles to help gently comb and pull strands taut for ultra-smooth results. This hot air brush features a curl release switch that unlocks and rotates the barrel to release curls easily and avoid tangled styling.