This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Fisheries and Fishing Low‑importance This article is within the scope of WikiProject Fisheries and Fishing, a collaborative effort to improve the coverage of fisheries, aquaculture and fishing on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Fisheries and FishingWikipedia:WikiProject Fisheries and FishingTemplate:WikiProject Fisheries and FishingFishing Low This article has been rated as Low-importance on the project's importance scale. Spain Low‑importance This article is within the scope of WikiProject Spain, a collaborative effort to improve the coverage of Spain on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SpainWikipedia:WikiProject SpainTemplate:WikiProject SpainSpain Low This article has been rated as Low-importance on the project's importance scale.

The article never actually explains what the technique is!Bill (talk) 05:57, 10 October 2019 (UTC)[reply]