They urinate on their feet to keep warm.
To keep your feet warm.
shoes
These socks will keep babies' feet warm outside in reasonable weather.
Wear many pair of socks on your feet.
Wear at least two pairs of socks, each layer of 'sock' traps warmth generated naturally by your feet and helps to keep them warm.
To wear on your dirty little feet.
Vultures are everywhere! Keep moving...!
They have several layers of feathers and they have feet covered in feather to keep warm.
To keep feet warm in cold weather, wear insulated boots or shoes, wool socks, and use toe warmers or heated insoles. Avoid tight footwear that restricts blood flow, and keep moving to improve circulation. Additionally, layering with moisture-wicking materials can help keep feet dry and warm.
they have several layers of feathers and they have feet covered in feathers to keep warm
the plural of slipper is slippers. As in "these slippers keep my feet warm".
To Keep your feet warm, clean and safe