This was also the first time I could sit in the thing I was fixing, as I was fixing it.
The hand controller for an electric lift/reclining chair, had a broken cable strain relief. The chair is pretty crucial for my 87 yo mum. When packing tools to go round and fix it, I expected I'd make a replacement using 3M rubber tape, that I could build into a suitable tapered shape.
But that turned out to not be a great idea. The cable is surprisingly stiff. Mostly it needed something to anchor it in the remnant of the existing cable entry. A solid wire tie would have done, but had I thought to bring any? No.
So, an improvised cable clamp. One old nail, bent into a circle with what I had, then squeezed to grip the cable tightly. Done.
PS. The drill bit I used as a mandrel, is rusty because I'd found it on the ground in the local supermarket parking lot earlier that day. Lucky, since I didn't have anything of suitable size in my toolbag, but the drill was still in my shirt pocket. The perfect size.