"What's the problem? Is there anything wrong with the crossbow? Or is it not easy to use? What's the problem? Asked Guan Yu.

"No, it's my crossbow. Every time I use it, I have to install it on the spot. It takes time. Can I install it first, and when I use it, I can shoot people directly."

"No, definitely not." Guan Yu explained, "You can imagine that the crossbow has no safety lock. If the crossbow arrow is on it, it is easy to fire on it. This is the greatest danger. Moreover, the projectile force of the crossbow arrow mainly depends on the elasticity of the iron stones...