Description: A can of Coke
Price: <£1 (~<$1.40; <€1.30)
Material: Aluminium or tin-plated steel
Further information: Comes with a free drink.
I have used drink cans as pen pots since the 1980s. Here’s a little making of:
Price and exchange rates: April 2016
Instead of using the pen knife you can also use a can opener. Most can openers work perfectly on these types of cans also.
Thank you for your comment and the tip. I should try that. If you pull the lid off with pliers you can make sure that all of it is gone and that there are no sharp corners – I think I was worried there will be sharp corners if I use a can opener.