When Delilah saw that he had told her all his heart, she sent and called for the lords of the Philistines, saying, Come up this once, for he has told me all his heart. Then the lords of the Philistines came up to her, and brought the money in their hand.
"And shaved off the seven locks of his head"  (Judges 16:19). Grammatically, this seems to say that Delilah herself shaved off Samson's hair, but the calling of a man indicates that she did it by the instrumentality of that accomplice.  Again, Samson was asleep, while the crucial deed was accomplished.  It would be interesting to know just how that sleep was induced, whether by strong drink or drugs, or however.