# The challenge and fun of straight climbing (cordless rock climbing) Free solo is a kind of rock climbing activity that does not use any safety ropes. It is extremely high-risk and also brings a unique experience. ## Main challenge -**Fatal risk**: Any mistake may lead to serious casualties -**Psychological stress**: Extremely strong psychological qualities are required to control fear and stress -**Perfect technical requirements**: There is no room for mistakes, every action must be precise -**Route selection**: The risks of each climbing route need to be fully assessed -**Physical limit**: Unable to rely on equipment to rest when your physical strength is exhausted ## Unique fun -**Pure experience**: The most direct connection with the rock wall, without equipment barriers -**Ultimate focus**: Achieve a state of "heart flow" and be completely immersed in the present -**Sense of accomplishment**: A strong sense of satisfaction after overcoming extreme challenges -**Philosophy of simplicity**: Return to the most primitive and pure form of rock climbing -**Time alone**: Provide unique opportunities for self-reflection and connection with nature I must emphasize that straight climbing is extremely dangerous, and even the world's top rock climbers have fatal accidents. Most rock climbing communities do not encourage this practice, believing that safe rock climbing can also bring challenges and satisfaction.