1Increase Friction: The wedge can effectively shorten the interval between the fixed and connected objects and increase the friction. 2Protection: It can prevent the tree from pinching the guide rod when it is cut down, causing the tree to fall along the cutting direction. 3The Method of Use Is Simple: Easy to operate and can extend the service life of the chain saw. 4Safety: These wooden splitting wedges can withstand extreme weather conditions and temperatures, and are very stable under heavy loads; using this wedges can prevent the weight of the tree from squeezing your chain saw accessories; the plastic structure is also soft enough if accidentally touched The wedge will not damage your logging chain. 5Easy to Use: If there is no on site equipment and qualified trees, felling trees may be a dangerous task; as long as there is space behind the saw and the cut is completed, the wedge is driven to the back cut; the wedge will generate mechanical lifting force to remove the tree Push the center of gravity in the direction you want.