A barb on the blade of the following: arrowhead, pāna 2b; spear, balabog, gayang 1; tree spear, to'dag 1, tudlu' 2a.
Barbs are located at the blade base to prevent the blade from being easily removed when thrust into the body of someone or something. Spears have no barbs or from one to four barbs; straight barbs, hēngel 2, identify hunting spears, balabog; crescent-shaped barbs identify fighting spears, gayang 1, gīhi 1.
hēngel 2
pāgang
pāhul 1, Kinds of Spears based on spear barbs,