Related Clues:

• Follower of "sing" or "string"
• Like the symmetry of baseball bats
• Word after string or sing
• Word with "sing" or "string"
• Opposite of crosswise, archaically
• Not sideways/lengthways
• Logan's struggling onward
• Down the side of
• The "A" in CAT scan
• Tag or string follower
• 'All ___ the Watchtower'
• One way to go?
• �Let�s ___ a high note�
• With a forward motion: in accompaniment
• The "A" often seen in 49-Across