What is "refastening"

Usage examples of "refastening".

The pole was placed into position, and pulling the door after him and refastening the latch he made his way down to the ground, replaced the pole at the place from which they had taken it, and then retired in the direction from which they had come.

The two muleteers had now come out from among the bushes, and were busy refastening the bales on the mules, the ropes having become loosened in the struggles of the animals while the fight was going on.

If she didn’t keep an eye on it, it would wallow away and bump into the trunk of the nearest tree, and there it would stay, absorbedly unfastening and refastening the same shackle.