I nod my head inside my crash helmet and grip the steel bar in front, as instructed.

But don't be afraid to consider more durable modern materials or combinations, such as tensioned cables and lengths of steel bar.

Then buy yourself a crowbar; a straight steel bar with one pointed end and one chisel end.

It consists of a straight steel bar, generally about 28 inches long.

This sleeve increased the grip diameter of the 5ft m steel bar from 1 to 1-1/8.