It's perfectly safe.

Keep your head! It's quite easy on the other side." It might be perfectly safe for a practised climber, but Juliet's heart was in her mouth when she reached the projecting corner of cliff where the ledge narrowed to a bare eighteen inches and the rock bulged outwards as if to push off all trespassers.
She came to a standstill, clinging desperately to the unyielding stone.
"I can't possibly do it," she said helplessly.
"Yes, you can.

You've got to." Quick as lightning came the words.

"Go on and don't be silly! Of course you can do it! A child could." He loosened her clutching fingers with the words, and pushed her onwards.
She went, driven by a force such as she had never encountered before.
She heard the soft wash of the sea far below her above the sickening thudding of her heart as she crept forward round that terrible bend.

She heard with an acuteness that made her marvel the long sweet note of the nightingale swelling among the bushes above.