Apparently the trend has even caused a shortage of watermelons at supermarkets in the days preceding a game. Before the football league’s Grey Cup tournament in November 2009, thousands of watermelons had to be special ordered by Calgary grocery stores to keep up with the demands of Roughrider fans.

If you’re interested in making your own watermelon helmet – even if you just want to wear it around the house – here’s a video that teaches you how. I just hope all those fans found an equally good use for the watermelon they scooped out of the rinds before they put them on their heads.