yes, dance spears are a strong possibility. they do seem to be well made.
reminds me of the slightly risque
marriage dance in the 1964 movie 'zulu' with michael caine. which was filmed with real zulus, and the real zulu king Mangosuthu Buthelezi played his great grandfather Zulu King Cetshwayo kaMpande.
the dance spears they used in the video clip are about that size, tho not as realistically made.