How to use this paintless dent repair kits? 1.Use a line board to find the dent,clean the dent with a clean cloth;2.Mount the glue stick into the glue gun,pull the trigger to let the glue stick enter into the glue gun, connect the power source and preheat for 5 minutes;3.Pull the glue gun's trigger to let the hot melt glue apply evenly onto the gule tabs;4.Fast place the gule tabs with hot melt glue at the center of dent, press lightly until the glue cures and adheres (Let the glue cool for about 8 minutes. The cooling time should be less than 10 minutes and should be shorter slightly in winter);5. Use the dent lifter/silde hammer/T-handle dent puller to pull up the dent;6. Check with a line board. If dent still exists, knock it slightly with a Rubber Hammer and tap down;7. Clean the repaired place with a clean wet cloth. Packing includes: 1 pcs PDR red dent lifter(When receive the dent lifter,please loosen the spring if it is too tight or it will not work well to lift the tabs.)4 pcs PDR aluminum glue puller tabs(4 different sizes)