Max Shifler May 6, 2021 Hog Hunting Videos, Hog Hunting Gear, Gear How We Zero Our Thermal Optics Before Your Hunt Max Shifler May 6, 2021 Hog Hunting Videos, Hog Hunting Gear, Gear We use Shoot-N-Glow Thermal Zeroing Targets to get our customers zeroed. We also sell targets if you own a thermal optic.