Possible Clues:

• Have slight pricking sensation
• Suffer pins and needles
• Thing is ¿ missing hotel for the French travelling down the spine
• A metal leg broke creating a sensation!
• Heartless Harry found in The Square on the ground level sends a shiver down one's spine
• Sensation when seeing a crush, maybe
• Get goose bumps, say
• ASMR sensation
• Fluttery sensation
• Metal leg adjusted gives prickly feeling