Best sealing practices are outlined  in a 2012 report from the Universities Federation for Animal Welfare. It is titled: “The Canadian harp seal hunt: observations on the effectiveness of procedures to avoid poor animal welfare outcomes”
The PDF file is  (11 pages) Click here to download

Here is the WWF Canada statement on the benefits of a sustainable hunt in Atlantic Canada.
Click here: Seal Hunt Position Statement Final March 8, 2012 (PDF file)

Techniques

Here is a graphic explaining hunting techniques and outcomes.