There's no need to specify «by means of a stick» because that's the only weapon (besides bare fists I suppose). (slaw.ca)
Union and Confederate soldiers impale one another with bayonets and beat each other with their bare fists, as Spielberg's camera scans the multitude, revealing more than a few African - American faces amongst the men in blue uniforms. (reverseshot.org)
YouTuber SPGamer shows us how its done below, taking on war elephant Jumbe with just their bare fists. (vg247.com)