It gets tricky to take those last bits out of either the peanut butter or the jelly jar – in the first, one ends up with buttered hands on top and peak-plus-valley formations at the bottom; in the second, scooping out the somewhat more liquid substance is even tougher.

Hence this double-lidded design – so simple, yet entirely transformative. Getting close to the bottom? Just tip it over and start again through the other ready opening.

Sherwood Forlee explains the versatility of his creation: “This jar is useful for more than just peanut butter. Use it for almond butter, cashew butter, pistachio butter, macadamia butter, hazelnut butter, or any other nut butter you can think of. It’s also good for mayonnaise, jams, jellies, fruit spreads, honey, pâtés, and other pastes. Never waste a single morsel ever again!”

The prototype appears to work – as long as the seals are sufficiently firm along whatever edge leads as the bottom. Now, if only Winnie the Pooh had a double-ended honey jar, perhaps he would not get his head caught inside quite so often.