Nimbus Summit It's only water and sand

Cal seemed eager to follow his example, and Tuulu waited for him. The young man's inexperience showed instantly, but the beta saw it as an opportunity to teach, which he always liked to do. 

When Cal joined him, he nodded. I usually hold some back so that I can mark multiple things, but you can also use your nails to claw the trunks of trees; it will be a visual and scent marker to anyone that might stumble onto our borders.

He waited for any questions as he started to move again. There was plenty of border to patrol.