"How about a drink, Sir Percival? I hear an intermission is a time for rest."
"I'm afraid not, Rider," Percival demurred. "We..."
"I'm sorry, but I'd like you to open it. I can only punch holes in them," Rider replied.
Understanding dawned. His fingers were indeed too large and claws too sharp for the delicate task. Opening a can with a single hand would be a challenge, so he put his lance aside. He sat down opposite Rider and opened one, then another.

Fate/Lost Einherjar, Chapter 3