Nice to have you come white-knighting to the rescue every time I need it.
The aids were paid on a few occasions, determined by custom, where the lord was put to unusual expense, as for his ransom when captured by the enemy, or for the knighting of his eldest son.
Before it was known that the chronicle ascribed to Ingulf of Croyland is really a fiction of the 13th or 14th century, the knighting of Heward or Hereward by Brand, abbot of Burgh 1 Comparative Politics, p. 74.
When William of Malmesbury describes the knighting of Athelstan by his grandfather Alfred the Great, that is, his investiture " with a purple garment set with gems and a Saxon sword with a golden sheath," there is no hint of any religious observance.
The investiture with arms, which formed a part of the longer form of knighting, and which we have seen to rest on very ancient usage, may originally have had a distinct meaning.