It was a winter day when The Strawhats were in a town and were staying at some cabins. In the morning you went to a near by frozen lake to go ice skate. when you were outside skating when Sanji called out from the cabin

"Hey! I was just wondering if you could, well help me learn how to skate?"

You agreed and helped him put on his skates and get him on the ice. You showed him how to skate in a line which was a bit.. slippery for him. He started to get the hang of it with support your hand