If you have an old inflatable mattress, consisting of several independent sections, it is easy to adapt as life jacket for boating. You will have to sacrifice one of the middle sections, making it T-shaped hole for threading of the head. To fix the other slightly inflated section around the torso using the waist belt and extra lacing.
Recommend to read
OF “SCOUTS” IN THE “REAL MEN”
Huge British Navy after the Russo-Japanese war got rid of one potential enemy, Russia, is able to deliver him a lot of troubles on the ocean trade routes. But along with this tangible...
ANTI-AIRCRAFT TANKS OF THE WEHRMACHT
The rapid development of aviation during the period between the world wars led to the fact that the plane has been regarded as an effective tool of warfare. Already the experience of the...