That and because it's covering the back of the fan. It needs to be able to pull air from the back into the sheet. But mostly because of what mrstoast said.
Maybe it's because it's
1.) A heavy, thick blanket
2.) The person is on the ground
3.) The fan was too small
And....
4.) Because the back was covered
Regards,
~Common Knowledge
1.) A heavy, thick blanket
2.) The person is on the ground
3.) The fan was too small
And....
4.) Because the back was covered
Regards,
~Common Knowledge