Not the most extensive opinion I grant you, so I'll expand....
Basically its a battery operated rotating blade that spins behind a mesh screen, not unlike an old electric razor, and anything that pokes through the mesh is cut off, leaving a smooth efect on previously bobbly material. It works on most fabrics, wool , cotton, nylon, but not chainmail. The bigger the weave or knit, the bigger the bobble and the less likely it will fit through the mesh.
If you havn't seen one, its hand held, looks a bit like a chunky electric razor too and it cost me about £6 a few years ago. Its black vinyl effect and doubles as a phaser if you are playing Star Trek with your children.
Its dead simple to clean out, just slide off a hatch thing and pour out the bobbles, if you keep the old bobbles for a couple of decades, you can stuff a cushion with them too!
To be fair, it does really improve the appearance of older clothes and it is strangly therauputic getting a pile of junky old clothes and debobbling them all, aaaah those long winter evenings just fly by.
It terrifies my cats as well, though they have nothing to fear unless they develop bobbles.
The batteries run out quite soon, so use rechargable or its false economy, you could just throw out the old clothes and buy new ones for the price of a pack of Duracell every few weeks!
Also if you stand up a few thousand really small (like 3mmm high) people in a shoebox, you can mass behead them with the debobbler.
Why doesn't that bloke do those "so good I bought the company" ads anymore? Did someone else think the company was so good they bought him out?
FINAL TOP TIP - Don't use it on your hair, it really, really hurts.
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