Awonifa

Death (Iku) was gathering humans before there full time on earth had passed.
The Orishas worried about this, until Orumila said he would resolve this matter.

One day when Iku was busy, Orumila went and took his hammer
Iku became furious when he discovered the Hammer missing.
He rushed back to Orumila's house, and demanded the hammers return.

Orumila said, Oludumare had assigned you the task of gathering humans when thier time had come,
but you are gathering them when you want, prior to thier predetermined death.
Iku answered, if humans do not die, the earth will die.

Orumila answered "you are not right to take humans before their time.
After a long discussion, Orumila began to see the logic of Iku's task
Orumila aggred to return the Hammer, But Iku must swear not to take any of Orumila's
children before there full time has passed.

Iku answred, When I see the Irde Ifa on a persons left wrist, I will pass over them, unless it is there predetermined time to die. Orumila and Iku aggreed, and from this day, Ifa devotees wear the Irde on the left wrist, as a sign of the pact between Iku and Orumila.