Why use an old t-shirt ? Making your own custom carboy cover is fun and easy
Carboy Cover Video
First cut your materials to the proper length with your scissors
Then Make a 1/4' hem along one of the 39' sides
Next secure the hem with your glue gun
Then Make a 1' hem along one the other 39' sides
Secure this hem with your glue gun, leave enough room for the twine.
Then secure the two 24' sides together to make a seam
Finally tie a safety pin on to the end of the twine and work it through the hem
Your custom carboy cover is finished, Enjoy !