Loc Extensions-are installed to natural haircut. (Partial Head Service) this service is done by locking your natural hair and then incorporating additional human or synthetic hair to braids/twists/coils stuffing the hair into the shaft of the braid/twist/coil or by wrapping the extension around the shaft of the braid/twist/coil. 

8 inch Handcrafted Sharpie Size locs

or 

6 inch premade locs included Microlock