A na-echekwa igwe ojii nke oke ojii Richard Clarkson . Site n'enyemaka ya, ị nwere ike chee na oke mmiri ozuzo nke oke mmiri na-enweghị mmiri ozuzo na ihe egwu ga-atụ gị egwu. Onyunyo ahụ dị ka igwe ojii siri ike nke nwere ike imeghachi na mmegharị ma na-ada ya gburugburu.
Akwụkwọ ntuziaka "igwe ojii" a kwadebere ya na Runbons, sensọ na-agagharị, microphones na sistemụ ọkà okwu siri ike. Site n'enyemaka nke njikwa dịgasị iche, ịnwere ike ịwụnye mores dị iche iche - site na "Ogwe ojii na-esi ígwé ojii" ruo ogo dị iche iche nke nzaghachi, ụda ma ọ bụ egwu.
Ọ bụrụ na enwere ọchịchọ ebube dị otú ahụ, m na-eji naanị teepu edu, plastik shei na filler.