ken

Hi Ken,
These are a pen scanners.
They read text on paper and transmits it  to the PC or smart phone
https://www.amazon.co.uk/s/ref=nb_sb_noss_1?url=search-alias%3Dcomputers&field-keywords=pen+scanner

This looks quite good, as a knife sharpener and it has a suction cup to hold it in place.

https://www.ebay.co.uk/itm/AnySharp-Editions-Worlds-Best-Knife-Sharpener-PowerGrip-Suction-NEW-COLOURS/322888983824

Hope all is good with you and Norma

Cheers
Liam

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