Fuller (weapon)
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For people named Fuller, see Fuller (disambiguation).
Some speculate that this design feature makes a weapon easier to withdraw after a stabbing attack by allowing air into the wound it produces, but in fact fullers have not been experimentally shown to have such an effect. Any suction effect or clenching of muscles which might trap objects in a body seems to affect similar blades equally regardless of the use of fullers. Many blades use fullers even when they are so short that the physical effect is negligible; in this case, the purpose may be to make the weapon resemble larger blades.
In Japanese weaponmaking, fullers have a rich tradition and terminology. Katana fullers come in wide (bo-hi), twin narrow (futasuji-hi), twin wide and narrow (bo-hi ni tsure-hi), short (koshi-hi), twin short (gomabushi), twin long with joined tips (shobu-hi), twin long with irregular breaks (kuichigai-hi), and halberd-style (naginata-hi).
The Nepali kukri has a terminology of its own, including the "aunlo bal" (finger of strength/force/energy), a relatively deep and narrow fuller near the spine of the blade, which runs (at most) between the handle and the corner of the blade, and the "chirra", which may refer either to shallow fullers in the belly of the blade or a hollow grind of the edge, and of which two or three may be used on each side of the blade [2] (http://www.himalayan-imports.com/faq/Construction.html).
Reference
- "Blood groove", from the A. G. Russell knife encyclopedia (http://www.agrussell.com/knife_information/knife_encyclopedia/articles/blood_groove.html)
- Kukri terminology (http://www.himalayan-imports.com/faq/Construction.html)