A man climbing a rock with a rope hanging down and safety clips on his waist belt .
It is unlikely that a professional mountain climber teaches his student how to secure their ropes and safety waist belts
It is unlikely that a professional mountain climber teaches his student how to secure their ropes and safety waist belts
It is certain that a professional mountain climber teaches his student how to secure their ropes and safety waist belts
A professional mountain climber teaches his student how to secure their ropes and safety waist belts