Possible Clues:

• Caps on the ends of walking sticks
• Walking stick caps
• Caps or bands on the ends of walking sticks
• Caps or bands on the end of a walking sticks
• They come to stick at the end
• The referee turns up and judges that they're at the end of the sticks
• Sounds as if they were the end of Cain
• They stick at the end with 15 acrosses at the end