The Heavy-Duty Ozone Holder has a super sharp machined screw that will easily screw into most trees. (Hint: when placing into hard trees locate the position you want to place the holder and use an accessory style hook to make a pilot hole for the larger machined screw. This will make the installation of the larger screw much easier.) After the holder is screwed into the tree the user can now install their Ozonics onto the threaded end. After installing tighten the wing nut up and against the unit to hold that position. Now rotate the arm of the holder and follow the manufacturers directions for the aiming of the Ozonics for best results. This holder has an easy tilt and rotate system that will allow the user to maximize the effectiveness of their Ozonics during use. Will also work great for GoPro-style cameras and trail cameras. Folds flat for easy transport.