This is a desktop Henry the Hoover.
This is a Dyson.
One of these is useful for getting the dust, dead skin cells and bits of chilli heatwave doritos out from between your laptop keys. One is not.
Use the wrong one and your laptop will end up looking like this;
Although to be honest there isn't really any point going through the tightly wound knots of dust, human hair and spiders-which-fell-prey-to-your-wife looking for the 'k' key as the retainer will be lost forever. And the sellotape look is so not chic. Save yourself the trouble and buy one of these;
Better yet, don't use a dyson to hoover your laptop keyboard.