How do squirrels climb down trees head first?

naHow do squirrels climb down trees head first?
They can rotate their rear paws and dig their claws in. They are flexable little critters!How do squirrels climb down trees head first?
with there claws
they have joints in their ankles that allow them to grab on with their claws and keep balance with out hurting themselves...the tails help a lot with balance also
very carefully!