A knobkerry is a stick with.    From Wordnik.com.  [In the Ranks of the C.I.V.] Reference

The native loves a stick, and as he is forbidden to carry either an assegai -- which is a very formidable weapon indeed -- or even a knobkerry, only one degree less dangerous, he consoles himself with a wand or switch in case of coming across.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science Volume 17, No. 100, April, 1876] Reference

Zululand frontier, growled over his assegai and knobkerry.    From Wordnik.com.  [The Romance of a Pro-Consul Being The Personal Life And Memoirs Of The Right Hon. Sir George Grey, K.C.B.] Reference

Panda, on the Zululand frontier, growled over his assegai and knobkerry.    From Wordnik.com.  [The Romance of a Pro-Consul]

Each of them, however, bore in his hand a large knobkerry of red-wood, and they marched four by four in martial fashion.    From Wordnik.com.  [Allan and the Holy Flower] Reference

Adele Myburgh, a police spokeswoman, said that a machete was found on his body and a knobkerry club was lying next to the bed.    From Wordnik.com.  [Top stories from Times Online] Reference

After some most extraordinary bargaining and after tempting him with solid, visible gold, we each secured a scjambok and a knobkerry at exorbitant prices, and left him even then grumbling and growling.    From Wordnik.com.  [In the Ranks of the C.I.V.] Reference

A knobkerry.    From Wordnik.com.  [Hilda Wade, a Woman with Tenacity of Purpose] Reference