They spent the whole day climbing on the rock walls of Little Stoney Cat, which is right near Little Stoney Man. They realized how important all the rope work they had done would be. They practised belaying the leader, that is holding the rope to catch a falling climber. You can read about these and other climbing terms, techniques and devices . They spent the next day climbing the ice walls of White Oak Canyon.
Humans use crampons, sharp spiked attachments on the bottom of their boots, to climb up ice.
The cats didn't need special attachments. They had custom designed boots with holes for each paw. They could use their own claws as retractable crampons. They soon were able to climb ice as easily as trees. But, for some of the more difficult sections, they learned how to use special tools, like ice axes, to aid them in gripping the ice.