|Wielding quite the weapon!
Evolutionarily, the baculum helps with sperm delivery (no more whiskey dick) but we suppose it also helps with this... though we fail to see how the following video could really be selected for. Fair warning: this is a video on a 14 days of Genitals blog, so it's almost guaranteed to be disgusting and not safe for work!
In addition to making self-fellatio an excellent time killer for the zoo-trapped walrus, oosiks were and still are used by Inuit people as clubs. They are now sold online as knife handles, talking pieces, and also jewelry!
Finally, we'll leave you today with this Oosik poem... because they said it better than we ever could.