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
CAN BE ALONE
Two-handed saw because so called that it requires the application of tractive effort of the two hands for which at each end there is inserted on top of the wooden handle. But experience...
CUTTER FOR ADHESIVE TAPE
Sticky tape is recently widely used. PI need to pack anything, connect, restore, attach — we resorted to duct tape. If you make a simple device for cutting the tape, use the roll becomes...