In the category hilarious you need to check out this news item. Hey, who doesn't have cold feet while gaming or working right? Yep, check out this foot's rest. USB power to keep your toes warm of co... Footrests from Sanwa are USB powered to keep your feet comfy
Don't know about overclocking, but wrapping an RGB strip around it would provide more heat. I guess this is the only case where adding RGB would actually improve performance .
The manufacturer never heard of shoes, or slippers, or socks, or central heating in a house. Why bother with pesky details like that when there is money to be made.