Thick fur can be used for keeping warm.
Snow leopards coats have thick, dense fur.
Snow leopard coats can be used for keeping warm.
what can be used for keeping warm?

(1) four limbs
(2) an electric stove
(3) tusks
(4) snow leopard coats
(5) animal claws
(6) beaver tails
(7) evaporation
(8) electricity