The knife, invented by British baker Warburton, heats to 41.8 degrees Celsius after research found that is the optimum temperature to spread butter.
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Hold SpreadTHAT! serrated butter knife in the palm of your hand to facilitate heat transfer Carve away thin portions of butter with spreader and place
THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread
Hold SpreadTHAT! serrated butter knife in the palm of your hand to facilitate heat transfer Carve away thin portions of butter with spreader and place
THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread
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Spreading cold butter has never been easier, SpreadTHAT! transfers your body heat onto the knife edge to give you a perfectly buttered toast for that
That! SpreadThat! II Heat Conducting Serrated Butter Knife - Red