Roll it around a bar with the same diameter but unless it's made to keep the shape, it won't work or not work well.
You can try rolling it and then heating it with a hair dryer on hot and then letting it cool around the bar.
Roll it around a bar with the same diameter but unless it's made to keep the shape, it won't work or not work well.
You can try rolling it and then heating it with a hair dryer on hot and then letting it cool around the bar.