Similar to micro rings but 90% smaller, this method of application is the most discreet method available on the market with no glue or heat required. Of the different ring applications, the Nano install is the quickest and the rings are the smallest. When fitted correctly, nano ring extensions are very secure due to adopting a strand by strand application method. Nano rings are ideal for those who have naturally medium to thick hair and who like to wear their hair up frequently.