The Pultool Clear Aligner Removal Tool is the best hands-free way to remove tight, stuck and difficult to remove clear aligners or Invisalign trays. It is simple and intuitive to use, featuring the world's first finger ring and hook combination to make removing aligners easy and comfortable no matter how tight your aligners are. Also works great for metal retainers, hawley retainers, night guards, TMJ appliances and other oral appliances.