How about Li San Daryun's legendary compound bow?

Li San Legend Daryun Bow and Arrow Adult Compound Pulley Bow and Arrow Hunting Competition Shooting Professional Competitive Suit Professional Bow and Arrow has the strongest power and penetration, which is very suitable for beginners. It is more advanced than the traditional bow and has some labor-saving pulleys. The principle is to use pulleys to reduce the bow opening force, and the use of eccentric wheels makes the force required to maintain the bow opening state smaller, which is more suitable for long-term aiming and has the advantages of high power, high precision and small volume.