I used to have a thing that looked like a ,uh, net mender or stitcher. I never learned how to use it. My grandpap gave it to me. He knew how to use it.
You need a needle that holds the line and a gauge that sets the size of the mesh. I haven't mended net in 40 years.
He that would make his own liberty secure, must guard even his enemy from oppression; for if he violates this duty, he establishes a precedent that will reach to himself.
Thomas Paine