Possible Clues:

• Hats, hoods, and helmets
• Caps, e.g
• Local drugs to blow your mind perhaps from Panama
• It's over your horse's head or over mine (8)
• Gown and mortarboard, or just mortarboard?
• Avoid committing oneself to a run, blocking a bowler perhaps
• Had eager spin bowler?
• Bowler, perhaps, with a hard edge played dismissing squad's tail-ender
• Dicky, eager, had this worn on top
• Make grade, somehow, after he secures a cap, say