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
“BEETLE-42”: THE TRANSPORT OF HEAVEN AND EARTH
From experience we know that the appearance of ultralights "beetle-42" generates a lot of emotion and, of course, questions. Emotions lower, and all of the many issues leave one of...
RECORD HOLDER… SIMPLICITY
If in the famous Guinness book of records recorded the simplicity and manufacturability, today we present to your attention a model would be the first contender for such a record....