निवेशार्धं हस्तिनखम् ॥ कZ_०२.३.२९ ॥
niveśārdhaṃ hastinakham
(门/入口的)设置应包含一枚“象钉”(hastinakha),其尺寸约为安装尺度的一半——即一段按比例伸出的尖刺/铁件,用于防象。
It enforces predictable, inspectable compliance—officials can audit whether defensive fittings meet the mandated standard.