The invention relates to a closing or straight knife with a sports connotation for private and / or professional use. It will have the particularity of being personalized at the level of the blade and / or the handle. The closing or folding knife or straight sporting connotation (1) is formed by a handle in the form of a rugby ball (2) and an oval or ovoid blade (3) which incorporates a personalized total perforation (31).
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