 Referring to "A Case of Identity", they find the letter U on the inside of the man's pants; "It tells me to finish everything piercing a white back with two swords" refers to the logo of a local porcelain store which displays an ornament with strings and bells attached on the end.Referring to "A Study in Scarlet", they locate a red string with the letter R. Rearranging the letters results in Saturn, a reference to Saturday.Connecting the riddle's locations on a map forms a tennis racquet referencing the Wimbledon championships.