It is a lot simple.
our materials are:
1 5 cm nail
1 pair of scissors
Now take the nail and wrap it with paper. NOTE happen conical.
Take some tape and wrap the paper not to open.
Step 1: Materials
1 COPPER TUBE
Step 2: Wrapping the Nail With Paper
Step 3: Cutting the Excess Paper
Mine barrel is made ââof 15 mm copper pipe.