Looking back, they are all drawings.

There are horseshoes, even horse head cages, and ropes.

It has indeed been improved.

Changed for the better!

Guan Ning's face was expressionless, not surprised.

There was a very famous saying in my previous life.

Few inventions are as simple as the stirrup, and few inventions have such great historical significance. The stirrup applies animal power in close combat, allowing cavalry and horses to become one.

Wang Ducheng looked at it very carefully. After a while, he raised his head.

"Prince Guan, did you really do this...?"

His face was full of surprise.

--
Chapter completed!