Hold the tool steadily but loosely. The best place to hold it is just below the head. If you miss and strike your hand, it is much less likely to be caught between the hammer and the o ject being worked on. A file without a handle can be extremely dangerous. Keep a handle on every file to prevent the tang from piercing the palm or wrist if the file should slip or catch.
Wrenches are the cause of many cut and skinned knuckles.
When possible, use the open palm of your hand to push on the wrench. When this is not possible, pull the wrench toward you. This may prevent the wrench from slipping to cut or skin your knuckles. Make sure that the wrench is the proper size for the bolt or nut. This forces the movable jaw onto the nut to reduce its tende cy to slip.