She hammered pitons into the crack to secure the rope before the ascent.

He pitoned the crack before making the next move.

While pitoning every few meters, he advanced up the steep rock face.

Dr. Ana Pitones presented her research at the international conference.

She hammered a piton into the crack and clipped the rope to it before continuing up the face.

She learned to piton the most exposed sections of the climb to protect the team.