A vendor selling
nahm khaeng kot
water-ice lollies, from an aluminum
ice box which is covered with a rotating lid with holes that hold the
bottom part contains slurry ice to which salt wais added, thus changing the
freezing point of the water and bringing the temperature of the ice
down to below 25 degrees Celsius.
handles on the rotatable, perforated cover are
grips to allow for the lid to be occasionally
turned around, in order to prevent the cylinders
from becoming icebound to the ice below.