The performer held one in each hand and the tone was elicited by striking the base of the cylinder sharply against the floor or some firm, nonresonant body.
The tone is produced by striking the closed end of the cylinder, while held in a vertical position, with a sharp blow against some solid, nonresonant body, such as the matted earth floor of the old Hawaiian
When attempting to transmit on a nonresonant antenna there are two ways one can accomplish it.
Oh, now it all makes sense … It's the cryogenic dielectric piezo nano ceramic acetal nonresonant copolymer!
Nylon and fiberglass are incorporated as well forming an extremely effective, mechanically and electrically nonresonant connector body that may just be the most sophisticated in the world.