Mark 2:23
And it happened that he was going through the grain fields on the Sabbath, and his disciples began to make [their] way [while] plucking off the heads of grain.
Matthew 12:1-8
At that time Jesus went through the grain fields on the Sabbath. And his disciples were hungry, and they began to pluck off heads of grain and eat [them].
Luke 6:1-5
Now it happened that on a Sabbath he went through the grain fields, and his disciples were picking and eating the heads of grain, rubbing [them] in [their] hands.
Deuteronomy 23:24-25
"When you come into the vineyard of your neighbor, then you may eat grapes {as you please} and {until you are full}, but you shall not put [any] into your container.