Here is the time to find out how the golf tube attracts hair and pieces of paper. Take a rod, charge it and bring it near the hanging rod. Leave the uncharged rod hanging. Take the other type of rod and bring it near the hanging rod. It doesn t matter which type of rod you use, your observations should be the same.
Charged objects attract neutral objects.
The explanation is just a little bit different from that of the behavior of the soda can. It is nothing mysterious, just physics. It is the electric charges you discovered today that make all electric equipment, like a light bulb, an electric car or a stereo, work.