Nano ring hair extensions have proved to be the most popular and quickest of the ring application methods. A great service offered by many salons, Nano ring hair extensions are a popular choice for those looking to have extensions permanently applied for longer term.The nano ring is the smallest ring yet, its slipped onto a strand of hair first, followed by the wire tipped remy human hair extensions strand which is inserted through the back of the ring and clamped flat. The nano ring is the smallest and most innovative way to apply hair extensions currently on the market. These extensions are very comfortable.A nano ring hair extensions strand is applied in seconds!