Originally Posted by peripatetic
or a nice big wrench with a long handle and/or a cheater bar. The teeth on that are fine, it'll work no problem. Free freewheel for a beater--good, resourceful eye.
Be sure to clamp the Park or Shimano remover tool in place with a quick release skewer before applying that "big wrench". Shimano freewheel removers aren't as slip-prone as the older Sun Tour two-notch removers but clamping them in place is still a good idea.
You may have to improvise as the axle and cones are gone from the hub in the picture.