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
INSTEAD OF A WEDGE
Love tinkering in my spare time. Probably most often use the hammer, but the mounting of the striker on the handle with a wedge it seems to me unreliable. So I decided to make this...
A SMALL WINCH IS OF GREAT INTEREST
In the footsteps of virtually every information, published under the heading "ENEA — young innovator", the editor receives many letters. On the envelope address NTTM, young innovators,...
