Learning to snowboard: a happy story told with throwback flair in four parts via mckayle.jpg. Congrats on being this week’s Knock Fan Friday winner! For your chance to win a free pair of shades, tag us in an awesome photo of you rockin’ your Knocks and use the hashtag #knockfan. A new winner is selected every week.⁠ . . . #knockaround #knockfanfriday #snowboarding #sandiego #sunglasses