A fabric with two straight cuts to put your legs in easily and holes to fit the fabric around the legs.
You just reinvented a Kotatsu.
I don’t get it
Same
I will try - Heater goes under the desk. Blanket goes round the desk creating a small warm space. Legs go through holes in the blanket so they are kept warm without heating the whole room.
An electric blanket is probably still hundreds of times more efficient.
Electric blankets or pillows are chefs kiss
And then you burn to death!
Could happen. Pictured is an oil filled radiator style where the heating elements aren’t exposed. Probably the safest but the manual probably says not to do what the OP has pictured.
Pretty sure keeping your head and chest warm is actually more important than your legs, since those places are where the parts that matter the most are.
I think they are talking about comfort, not survival.
Reminded me of this. https://yewtu.be/watch?v=1eJhAR5tQg0