User blog comment:Metool Bard/Fanfiction: Tee'd Off/@comment-32799780-20180305223109/@comment-34871403-20180305225248

That bit is actually a reference to an old Peanuts strip where Peppermint Patty and Marcy are hired as caddies on a golf course, and poor Marcy is saddled with a comically-oversized golf bag (similar to the one Lincoln is carrying during the game at Hole In One-derland).