This knife uses clever heat technology to make spreading butter easier — and homeware lovers are obsessed

ok.co.uk:

Few things are more soul destroying than not being able to able spread hard butter on your bread. So we are absolutely buzzing about this latest kitchen technology which promises you’ll only ever spread happy from now on.

No matter how solid the butter, the knife made by That! Inventions promises slice through it with incredible ease. Which means your bacon sarnies will be nothing short of perfect with this in your kitchen.The knife works by transferring the heat from the palm of your hand into the knife, heating it to the perfect temperature for a smooth gliding spread.

Because the heat comes directly from your hand, there is no plug or charging port, meaning that the clever knife is totally dishwasher safe.