<https://www.addicttackle.com.au/products/rapala-4-hook-file#product>
<http://schema.org/description>
"Maintaining sharp hooks is arguably the single greatest thing an angler can do to convert the greatest number of strikes into landed fish. Luhr-Jensen® hook files are made from high-carbon steel to provide an ultra-fine cutting edge. A comfortable ergonomic handle provides a sure grip and precise sharpening."
<https://www.addicttackle.com.au/products/rapala-4-hook-file>