Universal cutter, known as the boot knife-Bong, easy to use, but inconvenient to store. If he give such a construction as shown in the figure, in inoperative position it will be just as safe as a pocket knife: folding, hide the blade in the wooden handle.
Recommend to read
WITHOUT THE LOCKNUT
If the bolt is of metal parts does not imply further (if necessary), disassembly, Assembly reliability can be provided without a locknut, on the proposed simple technology. For this...
KEYCHAIN WRENCH
For the door keys there are all kinds of ring and other key chains that bind them in one bundle. And what spanners worse? If they (unilateral construction) have a lot of drill holes...
