This meant he would have to find two bamboo stalks, one thick and one thin. Then, he would need to insert the thin stalk into the thick one and repeatedly ram it through to break the internal nodes, creating a hollow tube.
But the thin bamboo couldn't be too thin. If it was, it wouldn't be sturdy enough and would likely snap during the process.
If he chose a thicker one, it would be hard enough, but that would mean the outer bamboo stalk would also need to be much larger in diameter—at least twice the size of the thin one.
A bamboo stalk that thick... 'Can I even cut it with the bamboo knife I have?'
If he didn't use that method, the only other option was to cut the bamboo into individual sections and pickle the shoots separately.
Although this method sounded easier, it required cutting countless bamboo sections, making the actual workload several times greater than the first option.
Unless he could fashion the metal can into a saw.
