what are the different types of hair extensions?
['Clip-in Hair Extensions. What Are They? ... ', 'Tape-In Hair Extensions. What Are They? ... ', 'Sew-In Hair Extensions/Weave. What Are They? ... ', 'Fusion & Pre-Bonded Hair Extensions. What Are They? ... ', 'Microlink Hair Extensions. What Are They? ... ', 'Wigs & Hair Pieces.']