For someone (agent) to ritually initiate the construction of an upland field, ūma, or a wild-pig fire trap, gināat (theme i-).
The ritual leader, mumpang'u, along with two to four others, goes first to the area where new fields are to be constructed and, after a favorable omen from an omen bird, īdaw, he ritually clears a narrow strip of vegetation, gohat1 3, about two meters long, to mark the bottom edge of his field. The next day is a holiday, ngīlin; The following day all those making fields cut bottom edges of their fields. When a wild pig fire trap, gināat, is constructed, the leader, mumpang'u, possibly with a companion, goes to the area where the trap is to be constructed above an upland field. After receiving a good omen from an idaw bird, he cuts a strip of vegetation, gohat1 3, about two meters long. The following day the rest of the hunters go to the area and complete cutting the swath.