SHEER PLEASURE: Today’s opening of “Cliffhanger” (F1)...

SHEER PLEASURE: Today’s opening of “Cliffhanger” (F1) promises to increase the already growing number of rock climbers swinging from Ventura County cliffs and canyon walls. “The movie will definitely get more people interested,” said Charles Zilm, a climber from Thousand Oaks. Already, he said, hundreds get their thrills dangling from Mugu Rock or the 300-foot cliffs at Sespe Gorge. . . . Nothing to it, Zilm said of Sespe. “It’s pretty basic. It’s more scary than hard.”