1) Bicycle part 
The detangler or rotor is an invention for the Freestyle BMX bicycle, allowing the handlebars to turn a complete 360° rotation without the brake cables getting tangled up. It is commonly called the Gyro. The trademark for the term Gyro is owned by Odyssey BMX, of Cerritos, California. SST oryg is another common manufacturer of detangler systems. ...
Type of hair conditioner that smooths your hair by coating it, so that the hair tightens up and smooths the scales on the outer surface of the hair or cuticle to prevent tangles.
A product which is sprayed on to the hair or fibre to make the removal of knots and tangles easier after washing.