I think most of those squirrels have claws to prevent them slipping on the shaft, if you can get hold of it tight without damaging it, and hold the shaft, try turning it on the shaft to "unscrew" it
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
