Possible Clues:

• Thorn
• Small thorn
• Sharp tingle, as of fear
• Spine, thorn
• Runs into mischievous child to make sharp point
• Part of a burr or a hedgehog
• Sharp point growing on a plant
• Are in the salt to give it point
• Sting in a tingling way
• Run into difficulty that may be a bit of a pain