From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Climbing Tail

FEAT 1

Your tail makes it much easier for you to climb. You gain a +2 circumstance bonus to Athletics checks to Climb, you gain the Combat Climber skill feat, and you reduce the number of free hands required to Climb or Trip by one.

Pathfinder Lost Omens Impossible LandsOGL